Câu hỏi:

Though many scientific breakthroughs have resulted from mishaps it has taken brilliant thinkers to recognize their potential.

A. accidents

B. misunderstandings

C. incidentals

D. misfortunes

Câu 1:

The shop assistant was totally bewildered by the customer’s behavior.

A. disgusted

B. puzzled

C. angry

D. upset

Câu 2:

The US troops are using much more sophisticated weapons in the Far East.

A. expensive

B. B: simple and easy to use

C. C: complicated

D. difficult to operate

Câu 3:

It was very difficult to understand what he was saying about the noise of the traffic.

A. pick up

B. make up

C. turn out

D. make out

Câu 4:

Carpets from countries such as Persia and Afghanistan often fetch high prices in the United States.

A. Artifacts

B. Pottery

C. Rugs

D. Textiles

Câu 5:

He didn’t bat an eyelid when he realized he failed the exam again.

A. wasn’t  happy

B. didn’t  want to see

C. didn’t show surprise

D. didn’t care

Câu 6:

I clearly remember talking to him in a chance meeting last summer.

A. unplanned

B. deliberate

C. accidental

D. unintentional