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: When preparing a diet, a person should be aware that vitamin D acts to increase the amount of calcium absorbed by the body.

A. schedule of exercise 

B. medicinal chart

C. study of longevity

D. nutritional plan

Câu 2: You never really know where you are with her as she just blows hot and cold.

A. keeps going

B. keeps taking things

C. keeps changing her mood

D. keeps testing

Câu 3: Sports and festivals form an integral part of every human society.

A. delighted

B. exciting

C. informative

D. essential

Câu 4: The education system is a mirror that reflects the culture.

A. points

B. explains

C. shows

D. gets

Câu 5: How many countries took part in the last Olympic Games?

A. participated

B. performed

C. succeeded

D. hosted

Câu 6: He insisted on listening to the entire story.

A. part

B. funny

C. whole

D. interesting