Câu hỏi: Bill is often late for class, which makes his teachers angrily.

A. Bill is often

B. for

C. which

D. angrily

Câu 1: Little he knows about the surprise that awaited him.

A. he knows

B. about

C. the

D. awaited

Câu 2: Sometimes it takes me about three hours finishing my round.

A. sometimes

B. me

C. hours

D. finishing

Câu 3: By measuring the color of a star, astronomers can tell how hot is it.

A. measuring

B. the

C. how

D. is it

Câu 4: 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 5: 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 6: It is time the government do something to help the unemployed to find some jobs.

A. do

B. time

C. the unemployed

D. some