Câu hỏi: The telephone rang several times and then stop before I could answer it.

A. times

B. then

C. stop

D. could

Câu 1: However type of raw materials is used in making paper, the process is essentially the same.

A. However

B. is used

C. paper

D. essentially

Câu 2: Upon reaching the destination, a number of personnel is expected to change their reservations and proceed to Hawaii.

A. reaching

B. is

C. to change

D. proceed to

Câu 3: Had I been interested in that subject, I would try to learn more about it.

A. in

B. try to learn

C. Had

D. about

Câu 4: This might not matter with you, but some people are going to be negatively affected by this decision.

A. might not

B. with

C. are

D. negatively

Câu 5: For the first time in the history of the country, the person who recommended by the president to replace a retired justice on the Supreme Court is a woman.

A. is

B. a retired justice

C. to replace

D. who recommended

Câu 6: Chemical engineering is based in the principles of physics, chemistry, and mathematics.

A. in

B. principles

C. chemistry

D. mathematics