Câu hỏi: 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 1: I clearly remember to tell you about this before.

A. clearly

B. remember

C. to tell 

D. about

Câu 2: It is time the government do something to help the unemployed to find some jobs.

A. do

B. time

C. the unemployed

D. some

Câu 3: The governor, with his wife and children, are at home watching the election results on TV.

A. his

B. are

C. watching 

D. on TV

Câu 4: It is believed that in the near future robots will be used to doing things such as cooking.

A. it is believed

B. in the near future

C. be used to cooking

D. such as

Câu 5: I was very busy lately since the project of designing the new collection started.

A. was

B. since

C. the project

D. the new collection

Câu 6: Unlike the old one, this new copier can perform their functions in half the time.

A. unlike

B. can perform

C. their functions

D. in half the time