Câu hỏi: 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 1: A novel is a story long enough to fill a complete book, in that the characters and events are usually imaginary.

A. long enough

B. complete

C. that

D. imaginary

Câu 2: If one type of manufacturing expands, it is like that another type will shrink considerably.

A. expands

B. like

C. another

D. considerably

Câu 3: Not until he got home he realized he had forgotten to give her the present.

A. got

B. he realized

C. her

D. the present

Câu 4: Some species of bats are dormant each days and active every night.

A. species of

B. each days

C. every night 

D. are dormant

Câu 5: 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 6: If you work hard, you would be successful in anything you do.

A. you work

B. would be

C. in

D. anything