题目内容

He worked at his computer the whole evening now and again, he ______ a word in a dictionary.

A. stopped looking up
B. stop looking up
C. stopped to look up
D. stop to look up

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I’m sorry I have no time at present to ______ more detail or give you an account of other cities of interest.

A. bring into
B. go into
C. come into
D. set down

The reason their absence, as I know, is they had an accident on their way.

A. that, why
B. why, that
C. for, that
D. for which, because

But Pappy stood unmoved, gun in hand and eyes ______.

A. alert
B. closed
C. bright
D. open

The ice in the river began ______ after the plane dropped bombs.

A. melting
B. melt
C. to melt
D. melted