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

A. in

B. principles

C. chemistry

D. mathematics

Câu 1: Despite the long history of the rights of property ownership, there have been a great deal of disagreement over what such rights entail.

A. what such rights entail 

B. have been

C. Despite

D. a great deal of

Câu 2: The teacher asked him why hadn’t he done his homework, but he said nothing.

A. why

B. hadn’t he done

C. but

D. said nothing

Câu 3: He is the second person be killed in that way.

A. is

B. the

C. be killed

D. way

Câu 4: The shopkeeper warned the boys don't learn their bicycles against his windows.

A. the

B. don’t

C. their

D. against

Câu 5: Once you have finished an article and identified its main ideas, it may not be necessary to reread it again.

A. indentified

B. be necessary

C. Once

D. again

Câu 6: The telephone rang several times and then stop before I could answer it.

A. times

B. then

C. stop

D. could