Câu hỏi: Some snakes have hollow teeth they are called fans that they use to poison their victims.

A. Some 

B. they are called

C. use

D. their

Câu 1: While Peter ________the rose bush in the back yard, the phone rang.

A. were watering

B. has watered

C. watered

D. was watering

Câu 2: Mark the letter A, B, C, or D on your answer sheet to indicate the word that differs from the rest in the position of the primary stress in each of the following questions.

A. precede

B. confide

C. modern

D. remind

Câu 3: Ms. Brown asked me _________ in my class.

A. how many students there were

B. were there how many students

C. how many students were there

D. there were how many students

Câu 4: What the woman was saying were so important that I asked everyone to stop talking and listen.

A. What

B. was saying

C. were

D. to stop taking

Câu 5: _________, we would have been forced to sack him.

A. Were he not to resign

B. If he resigned

C. Had he not resigned

D. If he had resigned

Câu 6: If you ________a wallet in the street, what would you do with it?

A. found

B. have found

C. find

D. had found