Câu hỏi: They_________ Ho Chi Minh City last summer.

A. visit

B. will visit

C. have visit

D. visited

Câu 1: It was hot, _________ I turned on the conditioner.

A. however

B. but

C. because

D. so

Câu 2: Human beings are ________ greatest threat to survival of endangered species.

A. Ø

B. an

C. the

D. a

Câu 3: The first color TV _____________ in 1928.

A. produce

B. is produced

C. was produced

D. produced

Câu 4: _____ tennis is my favourite sport. I play once or twice _____ week if I can, but I'm not _____ very good player.

A. x/ a/ the

B. x/ the/ a

C. x/ a/ a

D. a/ x/ the

Câu 5: Josh would never forget ________ by his parent through no fault of his own.

A. having scold

B. to have scolded

C. to be scolded

D.  being scolded

Câu 6: We _________ already ________ Huong Pagoda.

A. were…seeing

B. have…seen

C. are…seeing

D. will…see