Câu hỏi: 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 1: 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 2: The telephone rang several times and then stop before I could answer it.

A. times

B. then

C. stop

D. could

Câu 3: The shopkeeper warned the boys don't learn their bicycles against his windows.

A. the

B. don’t

C. their

D. against

Câu 4: 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 5: Chemical engineering is based in the principles of physics, chemistry, and mathematics.

A. in

B. principles

C. chemistry

D. mathematics

Câu 6: English is speaking in many countries in the world.

A. English

B. speaking

C. many countries

D. the world