EC
1
K
Khách
Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
Các câu hỏi dưới đây có thể giống với câu hỏi trên
17 tháng 1 2022
It'll be several years before we....a manned mission to Mars.
A. sent B. have sent C. had sent D. will send
CL
31 tháng 8 2017
Điền từ vào ô trống
Manned space-craft travel at speeds of almost five miles a second. But space-craft are slow..compared...with the fastest traveler in the ..known...universe-light. Scientists calculate that light travels 186000 miles a second!
Swift ....as..it is, light takes time to cross interstellar space. Light from Sirius, a neighboring star, travels for nine years to...reach...us.
Because of the time lights takes to travel the....distance....of space, it is possible to "see" an event long.....after...is has happened. In AD 1054, Chinese astronauts recorded the..appearance.... of an object that ..lit.. up the night sky. They were seeing an exploding star. Yet scientists today calculate that the stars ...exploded..... more than four thousand years ago. .....Like.... the Chinese observers, we too may "see" happening vast distances away and long before our own time.
31 tháng 8 2017
Điền từ vào ô trống
Manned space-craft travel at speeds of almost five miles a second. But space-craft are slow..compared...with the fastest traveler in the ...observable..universe-light. Scientists calculate that light travels 186000 miles a second!
Swift ...as...it is, light takes time to cross interstellar space. Light from Sirius, a neighboring star, travels for nine years to...reach...us.
Because of the time lights takes to travel the....distance....of space, it is possible to "see" an event long.....after...is has happened. In AD 1054, Chinese astronauts recorded the...appearance... of an object that ..lit.. up the night sky. They were seeing an exploding star. Yet scientists today calculate that the stars ...exploded..... more than four thousand years ago. ....Like.... the Chinese observers, we too may "see" happening vast distances away and long before our own time.
25 tháng 4 2018
Supply the correct tense of the verbs in brackets.
1.he(be)was_an experienced salesman before he decided to set up his own business.
2.we(not meet)haven't met_her for five years.
NN
20 tháng 8 2018
1. her engish ( imporove) .......has beem improved............recently
2. how many pages.....have......you ( read) .......read....so far
3. we( finish)......finished......our homework two hour ago
4. ......have.......you ( be)..been...to Rome?
5. I ( see).....have seen.......him several times on TV
6. what .....did..........you ( do)........do.........last night?
7. the sun( rise)....rises.....in the East
8. they ( buy)......bought........the garden some days ago
9. I ( learn).......have learned............English since I ( be).......was...........................11 years old
10. be careful! I (just clean)..........have just cleaned.........................the floor
11. I (never read)..............have never read.................an interting story like this before
12. he wish he ( be) ........was.........a doctor
13. Is Lan used to (write) .......writing..............to Maryam?
14. They( not finish)..........haevn't finished........their work yet
15. I wish they(be) ......would be........here tomorrow
16. I would rather you ( do).........did..............the test well
17. It's time we ( catch) .........caught............the bus
18. Is an used to ( get)..........getting.............up early
19. I wish they ( be)..............would be..............................here next time
20 tháng 8 2018
1. her engish ( imporove) ....has improved...............recently
2. how many pages......have.....you ( read) ......read.....so far
3. we( finish)....finished........our homework two hour ago
4. ......have.......you ( be)..been....to Rome?
5. I ( see).....have seen........him several times on TV
6. what .......did........you ( do).........do........last night?
7. the sun( rise)...rises......in the East
8. they ( buy)......bought........the garden some days ago
9. I ( learn).........learrnt..........English since I (be)..............was.............11 years old
10. be careful! I (just clean)..............have just cleaned.....................the floor
11. I (never read).............have never read..................an interting story like this before
12. he wish he ( be) ........was.........a doctor
13. Is Lan used to (write) ...........write..........to Maryam?
14. They( not finish)...haven't finished...............their work yet
15. I wish they (be) ....could be..........here tomorrow
16. I would rather you ( do)..........did.............the test well
17. It's time we ( catch) ........catched.............the bus
18. Is an used to ( get)............get...........up early
19. I wish they ( be)............................................here next time
H
9 tháng 8 2019
1.Last night, we (watch)..WERE WATCHING..tv when the power (fail)..FAILED.
2.London (change)..HAS CHANGED. a lot since we first (come)..CAME.to live here
3.I (not see)...HAVEN'T SEEN. hime since last Sunday
4.Hurry up! The train (come)....IS COMING......
5.We (not talk)..HAVEN'T TALKED.. to each other for a long time
6.He (fall)..FELL.. asleep while he (do)..WAS DOING..his homework
7.Columbus (discover)...DISCOVERED... America more than 400 years ago
8.Listen!The birds (sing) ARE SINGING
9.You (receive)......HAVE YOU RECEIVED........ any letter from your parents yet?
10.My mother (come).....WILL COME. to stay with us next week
11.When he lived in Manchester , he (work) ...WORKED.. in a bank
12.How long Bob and Mary (be)...HAVE BOB AND MARY BEEN...married?
13.She (ask)..HAS ASKED.... me to tell about him several times
14.John( watch)...WAS WATCHING. TV at 8:00 last evening
15.He (do) ...HAD DONE.. his homework before he (go) WENT to the cinema
9 tháng 8 2019
1. Were watching - failed
2. Has changed - came
3. Haven't seen
4. Is coming
5. Haven't talked
6. Fell - was doing
7. Discovered
8. Is singing
9. Have you received
10. Will come
11. worked
12. were Bob and Mary married
13. has asked
14. watched
15.has to do - goes
selected nha
Tack cho mình nha