câu 1 là b

cau 2 là d

1) b. did

2) b. cook

3) b. more expensive

b.seen

​

the answer ís

   b.has

  vì có has nên đây là hiện tại hoàn thành 

nên bạn làm theo công thức hiện tại hoàn thành

c.stop

c. stop

k cho mình nha

Air pollution is caused by harmful smoke and fumes as also parulate matter from various sources such as exhausts of vehicular traffic, factories, burning of fossil fuels, burning of garbage and farm refuse, and construction sites. Air pollution is a big health hazard causing several diseases in humans. It affects the respiratory and cardiac systems of the human body, and also affects the eyes and other organs of the body. Millions of people die each year due to air pollution. We need to take stringent measures urgently to curb air pollution and improve the quality of the air we breathe.     You will find here below a number of short paragraphs on the topic Air Pollution of varying word lengths. We hope these short and long paragraphs on Air Pollution will help students in completing their school assignments. These will also help children write and read out paragraphs in simple words and with small sentences. Students can select any paragraph on Air Pollution according to their parular requiremen

Bài này cô giáo tiếng anh dạy mk rồi nha hơi khó hiểu tiếng việt nhưng hay lắm K mk nha

                                                                 Bài làm

All terrestrial life forms need air to breathe. We breathe in oxygen from the air and breathe out carbon dioxide. Air pollution is the phenomenon of harmful compounds in the form of gases and fine parles being let into the air thus polluting it.

Humans suffer from various respiratory and cardiac conditions due to air pollution. Air pollution also causes various diseases, including cancer, affecting other organs of the body.

Vehicular traffic is one of the causes of air pollution. The combustion of the automobile fuel, whether it is diesel or petrol, that powers a vehicle, leads to the release of poisonous gases released through the exhaust of the vehicle. In factories too when production processes are carried out, smoke is generated that is then released into the air leading to pollution. Smoke is also caused due to the burning of fuels coal. Construction activity also causes air pollution.

vietnamese

Vietnamese: Việt Nam

Yes, I am.

Have yourself very happy thank you very much

I'm doing my homework now.

I'm chatting with my friends.

I feel tired

I'm feel happy.

~ tk mk nha~

Đáp án đúng là A.to

to 

k cho mk đi

. Trong tiếng Anh, từ “five” có nghĩa là số 5, hãy bỏ đi hai chữ cái trong từ “five” để biến từ này thành số 4.?

Tl:

Bỏ 2 chữ cái F và E trong từ FIVE, chúng ta còn lại hai chữ cái IV, chính là số 4 trong số La Mã.

bỏ hai chữ F và E ta được chữ IV

Trong chữ số Lam Mã ,IV chỉ số 4 

nha