1. spend time/money on sth./(in)doing sth. 花费(时间、钱)在某事上\做某事
其中in可以省略，通常主语为“人”。例如：
I spent five yuan on this book. 我在这本书上花了五元钱。
I spent two hours (in)doing my homework yesterday. 昨晚我花了两个小时做作业。
37. so…that… 太……以至于……
用于复合句，that引导的是结果状语从句。so是副词，后面应接形容词或副词，如果接名词，应用such. 例如：The ice is so thin that you can't walk on it. 冰太薄了，你不能在上面走。He is such a kind man that we all like him. 他是一个非常好的人，我们都很喜欢他。
2. stop to do sth. stop doing sth.
stop to do sth. 意为“停下来做某事”。stop doing sth.意为“停止做某事”例如：
The teacher is coming. Let's stop talking. 老师来了，咱们别说话了。
You're too tired. You’d better stop to have a rest. 你们太累了，最好停下来休息一会儿。
3. Thank you for doing sth. 感激你做了……
For之后除了加动名词doing外，还可以加名词。例如：
Thank you for giving me the present. 谢谢你给我的礼物。
Thank you for your help. (Thank you for helping me.) 谢谢你的帮助。
4. thanks to 多亏……;由于……
thanks后的s不能省略，to是介词。例如：Thanks to my friend Jim, I've worked out this problem. 多亏了我朋友吉姆的帮助，我已经解决了这个问题。
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