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

A. Less

B. Few

C. Fewer

Câu 2: I’m aiming ........... a band 7 in IELTS.

A. on

B. for

C. to

Câu 3: 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 4: The University of St Andrews.............. is the oldest university in Scotland.

A. which was founded in 1413

B. which was founded in 1413

C. that was founded in 1413

Câu 5: What will you do if ................

A. you don’t get a good IELTS score?

B. you didn’t get a good IELTS score?

C. you won’t get a good IELTS score?

Câu 6: Scientists finally ............... find a curefor the disease after years of research.

A. managed to

B. can

C. could