Câu hỏi: ………… people live in the countrysidethan 100 years ago.

A. Less

B. Few

C. Fewer

Câu 1: She got a terrible mark in the exam so she ........ very hard at all.

A. mustn’t have worked

B. can’t have worked

C. didn’t work

Câu 2: When you write your essays you ............. copy ideas from books without referencing them properly.

A. mustn’t

B. don’t have to.

C. have to

Câu 3: This factory produces some of .............. cameras in the world.

A. best

B. the best

C. the most best

Câu 4: A recent government report has warnedthat ...................... we act immediately to reduce pollution, there will be serious consequences, for the planet.

A. provided that 

B. in case

C. unless

Câu 5: I wish that man ....................... tapping hisfingers on the table. It’s reallyannoying me.

A. stopped

B. had stopped 

C. would stop 

Câu 6: ................  I can’t go to the conference as I’ve got to do to Sydney on business.

A. Frankly 

B. Unfortunately 

C. Personally