Câu hỏi: 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 1: ………… people live in the countrysidethan 100 years ago.

A. Less

B. Few

C. Fewer

Câu 2: In the past we threw a lot of ourkitchen waste away, but today many items such as plastic bottles and newspapers .............. 

A. are recycled

B. recycle

C. need recycling

Câu 3: I wish that man ....................... tapping hisfingers on the table. It’s reallyannoying me.

A. stopped

B. had stopped 

C. would stop 

Câu 4: I can’t pick you up from the station onWednesday because ............ on thatday.

A. I’m fixing my car

B. I’m having my car fixed

C. I need my car fixed

Câu 5: Scientists finally ............... find a curefor the disease after years of research.

A. managed to

B. can

C. could

Câu 6: My parents encouraged .............. this course.

A. me to do 

B. me doing

C. me do