To one’s boss，an employee should dress neatly，be（）and show interest in the job.

The girl will not become a nurse because she will faint at the （） of blood.

A.vision
B.eyes
C.sight
D.view

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Unexpectedly the light （）and we were left in.darkness.

A.burn out
B.put out
C.turned out
D.went out

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