Câu hỏi: 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 1: Air pollution, together with littering, are causing many problems in our large, industrial cities today.

A. are

B. industrial

C. problems

D. with

Câu 2: It was hot, _________ I turned on the conditioner.

A. however

B. but

C. because

D. so

Câu 3: If you eat too much, you _________ the price by putting on weight.

A. will pay

B. paid

C. would pay

D. were paying

Câu 4: The first color TV _____________ in 1928.

A. produce

B. is produced

C. was produced

D. produced

Câu 5: Human beings are ________ greatest threat to survival of endangered species.

A. Ø

B. an

C. the

D. a

Câu 6: They_________ Ho Chi Minh City last summer.

A. visit

B. will visit

C. have visit

D. visited