Câu hỏi: An ambitious person is committed to improve his or her status at work.

A. is

B. improve

C. status

D. at

Câu 1: Manufacturers may use food additives for preserving, to color, or to flavor, or to fortify foods.

A. may use

B. for preserving

C. to flavor

D. to fortify

Câu 2: Generally, Europe and Asia are regarded as being distinct continents, but they are simply vast geography divisions of the larger lad mass known as Eurasia.

A. Generally

B. are regarded

C. vast geography

D. known as

Câu 3: Not everyone realizes that the most largest organ of the human body is the skin.

A. not everyone

B. most largest

C. human

D. is

Câu 4: I enjoy reading the article that you told me about it yesterday.

A. reading

B. that

C. told

D. it

Câu 5: Many languages used around the world they do not have a form of writing.

A. used

B. around

C. they

D. a form of writing

Câu 6: By measuring the color of a star, astronomers can tell how hot is it.

A. measuring

B. the

C. how

D. is it