Câu hỏi: "When will you see John?" - "I am looking forward to…………him next summer." 

A. seeing

B. seen

C. being seen

D. see

Câu 1: The policemen………the robbery are looking for three young men.

A. investigate

B. investigating

C. investigated

D. investigates

Câu 2: It's getting cold. You'd better not…….without a coat.

A. go out 

B. to go out

C. going out 

D. gone out

Câu 3: I have had a headache…………….yesterday.

A. till

B. for

C. since

D. until

Câu 4: I think your suggestion is probably the best one……the long run.

A. at 

B. over

C. in

D. for

Câu 5: The principal doesn't permit………here. 

A. to shout

B. shout

C. shouting

D. shouted

Câu 6: "How do you know this is the right plane?" - "The ticket agent said it would be at……….."

A. gate six

B. six gates 

C. sixth gate

D. the gate six