Câu hỏi: The _______ by UN troops prevented fighting from breaking out.

A. participant

B. intervention

C. joiner

D. contestant

Câu 1: _______ does not exist yet, but scientists are working hard to create computers that can think like human beings.

A. Advancement

B. Destruction

C. Intervention

D. Artificial intelligence

Câu 2: We kept in _______for a while after college.

A. touch

B. pay

C. well

D. chose

Câu 3: He had a new heart valve _______.

A. added

B. supplanted

C. improved

D. implanted

Câu 4: You need to_______ the numbers properly in a column.

A. align

B. check

C. draw

D. write

Câu 5: All the _______had excellent academic credentials.

A. candidates

B. goverments

C. followers

D. desigers

Câu 6: Some______ animals become tame if they get used to people.

A. wild

B. domestic

C. endangered

D. rare