mn cứu e với ạ, e đg cần gấp, còn 15p nx thoii ạ :(((
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1.Yes, they do
2..Yes, it is
3.People buy fruits and flowers from the market and decorate their house
4.People visit their family and friends
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1 friendly
2 creative
3 boring
4 funny
5 sensitive
6 outgoing
7 lazy
8 impatient
9 active
10 quiet
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1. John was sad yesterday.
2. The birds were in the cage.
3. The children were in the class.
4. My cat was on the chair.
5. I was at the theater yesterday.
6. It was foggy this morning.
7. They were at home last Sunday.
8. I was very happy yesterday.
9. There were a lot of balloons.
10. You were at the park last night.
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1, That
2, This
3, that
4, those
5, these - that
6, these
7, this
8, that
9, that
10, this
11, those
12, this
13, it
14, these
15, them
16, those
a: Xét ΔADI và ΔAEI có
AD=AE
\(\widehat{DAI}=\widehat{EAI}\)
AI chung
DO đó: ΔADI=ΔAEI
Suy ra: DI=EI
hay I là trung điểm của DE
b: Xét ΔNID vuông tại I và ΔNIE vuông tại I có
NI chung
ID=IE
Do đó: ΔNID=ΔNIE
Suy ra: ND=NE
e cần câu c ạ :(((