Câu hỏi: 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 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: The number of women earning Master's Degrees have risen sharply in recent years.

A. number

B. earning

C. have risen

D. recent years

Câu 3: Developing new technologies are time-consuming and expensive.

A. developing 

B. technologies

C. are

D. time-consuming

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: The leader demanded from his members a serious attitude towards work, good team spirit, and that they work hard.

A. leader

B. his members

C. attitude

D. that they work hard

Câu 6: If you work hard, you would be successful in anything you do.

A. you work

B. would be

C. in

D. anything