Câu hỏi: The police questioned all guests. They……………….that one of them was a spy.

A. wondered 

B. surprised 

C. challenged

D. suspected

Câu 1: II. Choose the word or phrase which best completes the sentence.

A. make

B. do 

C. pursue 

D. resign

Câu 2: He can make change in his timetable when he wants to. It means that he's got a……….timetable. 

A. modern 

B. fashionable

C. flexible

D. convenient

Câu 3: I want to take my dogs with me. I need their……. 

A. relation

B. relationship

C. company

D. companion

Câu 4: After you have paid a bill, you are given a ………to show that you have paid

A. receive

B. receipt 

C. receiver

D. reception

Câu 5: ……..are people who leave their country to live in another one

A. Emigrants 

B. Deserters 

C. Travellers 

D. Explorers 

Câu 6: The rivers can be…………..by chemicals. 

A. poisonous 

B. contaminated

C. flooded

D. polluting