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

A. you work

B. would be

C. in

D. anything

Câu 1: 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 2: For thousands of years, man has created sweet-smelling substances from wood, herbs and flowers and using them for perfumes or medicine.

A. man

B. sweet-smelling

C. using them

D. or

Câu 3: Those who had already purchased tickets were instructed to go to gate first immediately.

A. Those

B. had already purchased

C. gate first

D. immediately

Câu 4: After the police had tried unsuccessfully to determine to who the car belonged, they towed it to the station.

A. the police

B. unsuccessfully

C. who

D. it to

Câu 5: 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 6: 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