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

A. a

B. plays

C. role

D. live

Câu 1: Foreign students who are doing a decision about which school to attend may not know exactly where the choices are located

A. are doing

B. about which

C. to attend

D. the choices

Câu 2: The harder he tried, the worst he danced before the large audience.

A. before

B. the

C. worst

D. tried

Câu 3: She did not know where most of the people in the conference was from.

A. did not

B. where

C. the

D. was

Câu 4: Many young people lack skills, good education, and financial to settle in the urban areas where many jobs are found.

A. lack

B. financial

C. urban areas

D. are found

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: Most of the houses on the street was built in the previous century.

A. of

B. on

C. previous

D. was