问题描述：
he coughed day and night.his wife asked him___ smoking a.giving up b.going on c.to give up
d.to go on
the old man is trying to find his __tv program
a.like b.favorite c.enjoy d.prefer
d.to go on
the old man is trying to find his __tv program
a.like b.favorite c.enjoy d.prefer
问题解答：
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