Câu hỏi: Oxygen plays a important role in maintaining live.

A. a

B. plays

C. role

D. live

Câu 1: The man for who the police are looking robbed the bank yesterday.

A. who

B. are

C. robbed

D. the bank

Câu 2: In July of 1861, Pat Garett killed Billy the Kid in a house close Fort Summer.

A. close Fort Summer

B. of

C. In

D. in a house

Câu 3: Optimists believe that in future we will be living in a cleaner environment, breathing fresher air and eat healthier food.

A. Optimists believe

B. in future

C. living in a cleaner

D. eat healthier food

Câu 4: Hardly did he enter the room when all the lights went out.

A. did he enter

B. when

C. the lights

D. went

Câu 5: The Oxford English Dictionary is well known for including many different meanings of words and to give real examples.

A. well known

B. The 

C. meanings 

D. to give

Câu 6: There are some people in the government try to improve the lives of poor people.

A. to improve

B. There are

C. lives

D. try