Câu hỏi: 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

Câu 1: The workers are building a new bridge which is 150 meters in high.

A. building

B. a new bridge

C. which

D. high

Câu 2: 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 3: 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 4: Some of my friends are good at English while other are good at Mathematics.

A. my friends

B. at

C. while

D. other

Câu 5: Despite she was in her middle age, she looked very graceful and charming.

A. Despite

B. in

C. looked

D. graceful

Câu 6: Anyone reproducing copyrighted works without permission of the holders of the copyrights are breaking the law.

A. reproducing

B. are

C. breaking

D. the law