Câu hỏi: I and Kenny______ pen pal friends since I_______ Singapore.

A. are/ visit

B. were/ have visited

C. were/ visited

D. have been/ visited

Câu 1: They_________ Ho Chi Minh City last summer.

A. visit

B. will visit

C. have visit

D. visited

Câu 2: If you eat too much, you _________ the price by putting on weight.

A. will pay

B. paid

C. would pay

D. were paying

Câu 3: Before becoming successful, Charles Kettering, former vice president of General Motors, was so poor that he has to use the hayloft of a barn as a laboratory.

A. as

B. so poor

C. has to

D. successful

Câu 4: He is very keen______ English, but he is not good ______ listening.

A. on/ at

B. on/ in

C. at/ on

D. at/ at

Câu 5: We _________ already ________ Huong Pagoda.

A. were…seeing

B. have…seen

C. are…seeing

D. will…see

Câu 6: The first color TV _____________ in 1928.

A. produce

B. is produced

C. was produced

D. produced