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

A. delighted

B. exciting

C. informative

D. essential

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: Mobile libraries brings books to children in many small communities. These libraries travel from towns to towns in cars, vans, or trucks.

A. Moving from place to place

B. Changing shape or expression easily and frequently

C. Being bent easily and quickly

D. Staying in one place

Câu 4: It’s a really difficult matter to decide how to solve now. I will need time to think it twice.

A. to think it over

B. to make it better

C. to make up for it

D. to think out of time

Câu 5: If you do not understand the word "superstitious", look it up in the dictionary.

A. write it

B. note it

C. find its meaning

D. draw it

Câu 6: 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