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

A. explanation

B. knowledge

C. experiment

D. theory

Câu 1: Because of the increasing enrolment, the school has to employ teachers who are not…….for their jobs. 

A. qualifying

B. qualified 

C. worth 

D. skilled

Câu 2: Ben: Would you like some more dessert?

A. Enjoy your meal!

B. No thanks, I’m full.

C. It’s delicious!

D. Be yourself.

Câu 3: There has been a lot of………..against nuclear weapons.

A. criticism

B. contest

C. protest 

D. conflict

Câu 4: I talked to _______ grandmother for three hours last night.

A. he

B. him

C. his

D. himself

Câu 5: The rivers can be…………..by chemicals. 

A. poisonous 

B. contaminated

C. flooded

D. polluting

Câu 6: We don't sell foreign newspapers because there is no……….for them.

A. request

B. claim

C. suggest

D. ask