Câu hỏi: The elevator isn't running now. It must be….order. 

A. out of

B. for

C. into 

D. behind

Câu 1: I want to take my dogs with me. I need their……. 

A. relation

B. relationship

C. company

D. companion

Câu 2: "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 3: The man ______ car we bought was from Texas.

A. which

B. why

C. where

D. whose

Câu 4: Einstein's …….is really too difficult for the average people to understand. 

A. explanation

B. knowledge

C. experiment

D. theory

Câu 5: 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 6: 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.