Câu hỏi: 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 1: People are busy buying gifts, cleaning and decorating the house and cooking traditional foods to welcome Tet holiday now.

A. favorite

B. important

C. customary

D. national

Câu 2: 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 3: We decided to pay for the car on the installment plan.

A. cash and carry

B. monthly payment

C. credit card

D. piece by piece

Câu 4: He insisted on listening to the entire story.

A. part

B. funny

C. whole

D. interesting

Câu 5: The education system is a mirror that reflects the culture.

A. points

B. explains

C. shows

D. gets

Câu 6: 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