Câu hỏi: Nobody knows the origin of the Vietnamese long dress. There was no evidence about where and when it appeared.

A. evaluation

B. book

C. proof

D. symptom

Câu 1: Participants from 100 countries go to the Olympic Games.

A. People who represent.

B. People who come

C. People who take part in

D. People who are athletes

Câu 2: The education system is a mirror that reflects the culture.

A. points

B. explains

C. shows

D. gets

Câu 3: I told you clearly and definitely not to write your answers in pencil, Smith!

A. altogether

B. specifically

C. thoroughly

D. considerably

Câu 4: Fallout from a nuclear power station damaged in the tsunami may endanger the vegetation.

A. stimulate

B. harm

C. inhibit

D. benefit

Câu 5: These were the people who advocated using force to stop school violence.

A. publicly supported

B. openly criticized

C. publicly said

D. strongly condemned

Câu 6: We can use either verbal or nonverbal forms of communication.

A. using gesture

B. using speech

C. using verbs

D. using facial expressions