Câu hỏi: Some of my friends are good at English while other are good at Mathematics.

A. my friends

B. at

C. while

D. other

Câu 1: In a federal form of government like that of the United States, power is divided between the legislative, executive, and judicial branches.

A. like

B. that of the United States

C. is divided

D. between

Câu 2: The company did not want to hire a man that his experiment was so limited.

A. The

B. want to hire

C. that his

D. so limited

Câu 3: If today is Sunday, we would have a lot of fun at the camping site.

A. is

B. would have

C. fun

D. at

Câu 4: Two weeks are plenty of time to finish the assignment.

A. weeks

B. are

C. plenty of time

D. to finish

Câu 5: Sex's education is instituted to help the student understandthe process of maturation, to eliminate anxieties related to development, to learn values, and to prevent disease.

A. sex’s education

B. understand

C. to eliminate anxieties

D. related

Câu 6: To reduce pollution, we have to stop using many things that makes our life comfortable.

A. To reproduce pollution

B. using

C. makes

D. comfortable