Câu hỏi: "Why didn't you buy that car?" - "Because it was so expensive that I couldn't……….it. 

A. afford

B. give 

C. have

D. offer

Câu 1: The rivers can be…………..by chemicals. 

A. poisonous 

B. contaminated

C. flooded

D. polluting

Câu 2: Einstein's …….is really too difficult for the average people to understand. 

A. explanation

B. knowledge

C. experiment

D. theory

Câu 3: The decision was……….until a later meeting. 

A. cancelled

B. arranged

C. postponed

D. moved

Câu 4: He was sacked after having an argument with his boss

A. hit

B. argued 

C. threatened 

D. fired

Câu 5: Mary: How often do you go hiking?

A. Most weekends

B. I go with three friends.

C. We stay for a weekend.

D. I often go hiking with my family.

Câu 6: I promptly went to sleep again. 

A. early

B. immediately 

C. soon 

D. after a while