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试题详情及答案解析
There are some dangerous fish in the river, and I’ve warned Jack______ here.
A.not to swimB.to not swim
C.swim not toD.to swim not to
答案:A
试题分析: 句意:在河里有许多危险的鱼,我已经警告杰克不要在这游泳了。此题考查固定短语warn sb not to do sth警告某人不要做某事,根据句意,故选A。
考点:考查非谓语动词。