Câu hỏi: He said that he has done his homework since 7 o'clock.

A. said

B. has done

C. homework

D. since

Câu 1: The chemistry instructor explained the experiment in such of a way that it was easily understood.

A. in

B. such of a way that

C. was

D. easily understood

Câu 2: Increasing involvement in agriculture by large corporations has resulted in what is known as agribusiness-that is, agriculture with business techniques, including heavy capitalization, specialization of production, and to control all stages of the operation.

A. by large corporations

B. has resulted in

C. known as

D. to control

Câu 3: Air pollution, together with littering, are causing many problems in our large, industrial cities today.

A. with

B. are

C. many

D. in our large

Câu 4: The threat of being dismissed do not worry me any more because I have started my own business.

A. The

B. being dismissed

C. do not worry

D. my own business

Câu 5: A motion picture provides us with both entertainment but also knowledge.

A. provides

B. with

C. both

D. but also

Câu 6: Because they had spent too many time considering the new contract, the students lost the chance to lease the apartment.

A. because

B. too many

C. considering

D. to lease