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: 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 2: Although we argued with him for a long time, he stood his ground.

A. felt sorry for us

B. changed his decision

C. wanted to continue

D. refused to change his decision

Câu 3: 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 4: I told you clearly and definitely not to write your answers in pencil, Smith!

A. altogether

B. specifically

C. thoroughly

D. considerably

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: 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