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: The shop assistant was totally bewildered by the customer’s behavior.

A. disgusted

B. puzzled

C. angry

D. upset

Câu 3: Reaching 35 and obviously aging, Jane has to make up her mind on her future very soon.

A. give a thought about

B. pay attention to

C. prepare a plan for

D. make a decision on

Câu 4: Whenver problems come up, we discuss them frankly and find solutions quickly.

A. clean

B. encounter

C. arrive

D. happen

Câu 5: Flight MH370 of Malaysia Airlines is reported to vanish on the way from Kuala Lumpur to Beijing.

A. land

B. control

C. cancel

D. disappear

Câu 6: As tourism is more developed, people worry about the damage to the flora and fauna of the island.

A. fruits and vegetables

B. flowers and trees

C. plants and animals

D. mountains and forest