Câu hỏi: By the time Robert will finish writing the first draft of his paper, most of the other students will have completed their final draft.

A. will finish

B. writing

C. most

D. their

Câu 1: 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 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: What we know about certain diseases are still not sufficient to prevent them from spreading easily among the population.

A. What we know

B. are

C. from spreading

D. among

Câu 4: 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 5: Developing new technologies are time-consuming and expensive.

A. developing 

B. technologies

C. are

D. time-consuming

Câu 6: Regarding as one of the leading figures in the development of the short story, O Henry is the author of many well- known American novels.

A. Regarding as

B. leading figures

C. the

D. novels