Câu hỏi: Each of the beautiful cars in the shop was quickly sold to their owner.

A. Each

B. cars

C. quickly

D. their

Câu 1: It is important that cancer is diagnosed and treated as early as possible in order to assure a successful cure.

A. is diagnosed

B. treated

C. as early as possible

D. to assure

Câu 2: Most bothersome flies belong to the family Sarcophagidae and are popular known as flesh flies because the larvae feed on flesh.

A. belong to

B. popular known

C. because

D. feed on

Câu 3: If you work hard, you would be successful in anything you do.

A. you work

B. would be

C. in

D. anything

Câu 4: United States is aimed at develop friendly relations among nations based on respect for the principle of equal rights and self-determination of people.

A. develop

B. based

C. principle

D. people

Câu 5: People in every part of the world readily and easily communicates by means of electronic mail.

A. every part

B. readlily

C. communicates

D. by means

Câu 6: Developing new technologies are time-consuming and expensive.

A. developing 

B. technologies

C. are

D. time-consuming