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

A. till

B. for

C. since

D. until

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

A. investigate

B. investigating

C. investigated

D. investigates

Câu 2: The board of directors proposed that an outside consultant ……………..in. 

A. be brought

B. will be brought

C. will bring

D. will be bringing

Câu 3: The chief of police………work is very important takes care of the public safety. 

A. who

B. which

C. whose

D. whom

Câu 4: He devotes most of his time……photography. 

A. for studying 

B. to studying of

C. to studying

D. to study

Câu 5: "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

Câu 6: It's getting cold. You'd better not…….without a coat.

A. go out 

B. to go out

C. going out 

D. gone out