Câu hỏi:

We decided not to go out for meal _________ we were too tired.

A. but

B. because

C. so

D. and

Câu 1:

If there is a mechanical problem, we suggest ______ the manufacturer directly.

A. contact

B. contacting

C. to contact

D. be contacted

Câu 2:

My shoes are dirty. I’d better take them ________before I come in.

A. aways

B. up

C. on

D. off

Câu 3:

Our energy will soon come to an end if we don’t__________ it.

A. use

B. save

C. spend

D. take

Câu 4:

Do you happen to know the name of the _____?

A. examination

B. examiner

C. exam

D. examining

Câu 5:

Please turn __________ the gas. I want to cook my lunch.

A. over

B. on

C. in

D. off

Câu 6:

I like bananas, __________my brother doesn’t.

A. because

B. but

C. and

D. even though