Fiona09 发表于 2016-12-8 10:27
to do表示目的,动作未发生;而for doing表示原因,动作已发生。举个例子:
1. He was sent home early fr ...
Fiona09 发表于 2016-12-8 10:27
to do表示目的,动作未发生;而for doing表示原因,动作已发生。举个例子:
1. He was sent home early fr ...
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