Câu hỏi:

Why/ not/ we/ sing/ English song?

A. Why not we sing an English song?

B. Why not we sing a English song?

C. Why don't we sing a English song?

D. Why don't we sing an English song?

Câu 1:

We/ should/ spend/ money/ recycling

A. We should spend money at recycling.

B. We should spend money in recycling.

C. We should spend money on recycling.

D. We should spend money of recycling.

Câu 2:

We can find noise pollution __________ most cities.

A. of      

B. on      

C. to      

D. in

Câu 3:

They use ________ plastic bottles to keep water.

A. refillable     

B. natural      

C. polluting      

D. charitable

Câu 4: Choose the letter A, B, C or D the word that has the underlined part different from others.

A. A. charity     

B. natural      

C. classmate      

D. exchange

Câu 5:

We are trying to __________ the president to the party.

A. pollute      

B. exchange      

C. invite      

D. cause

Câu 6: Rewrite sentences without changing the meaning

We can use this bottle once again.

A. We can reduce this bottle.

B. We can reuse this bottle.

C. We can refill this bottle.

D. We can recycle this bottle.