Câu hỏi: These quick and easy _______ can be effective in the short term, but they have a cost.

A. solve

B. solvable

C. solutions

D. solvability

Câu 1: ______ that I could hardly hear her.

A. So quietly she spoke

B. So quietly did she speak

C. So did she speak quietly

D. She spoke so quiet

Câu 2: The table was ________ .

A. too heavy that, one person couldn’t carry.

B. so heavy that one person could carry.

C. too heavy for one person to carry.

D. enough heavy for one person to carry.

Câu 3: You can come here either on Monday __________ on Friday.

A. or

B. nor

C. both

D. and

Câu 4: You are old enough to take _______ for what you have done.

A. responsible

B. responsibility

C. responsibly

D. irresponsible

Câu 5: Sometimes Mr. Pike has to work very late _______ night to do some important experiments.

A. in

B. at

C. for

D. on

Câu 6: Although we ______ all day, we haven’t managed to find a suitable applicant.

A. are interviewing

B. had interviewed

C. have been interviewing

D. interviewed