Question

There are some dangerous fish in the river, and I’ve warned Jack______ here.

A. not to swim B. to not swim

C. swim not to D. to swim not to

Answer 1

A

【解析】

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。