Câu hỏi: “Where are the letter and the postcard?” They …… on the table.

A. were

B. are

C. is

D. have been

Câu 1: We ……... for our cars.

A. is looking

B. have been looking

C. are looking

D. is going to look

Câu 2: We …… a lot important scientific discoveries in 2050.

A. have

B. will have

C. had

D. has had

Câu 3:  Tobacco has bad effects ……… our health.

A. on

B. from

C. at

D. of

Câu 4:  What is your purpose ……….. learning English?

A. of

B. to

C. for

D. on

Câu 5: There are more and more people died …… AIDS.

A. on

B. from

C. at

D. of

Câu 6: ………. each of you ready for the test?

A. is

B. are

C. have

D. do