I stayed up late doing my homework yesterday,so I had trouble___up early this morning.A.getting B.to get 为什么选A不选B?
问题描述：
I stayed up late doing my homework yesterday,so I had trouble___up early this morning.
A.getting B.to get 为什么选A不选B?
答
固定用法
have trouble (difficulty) doing/in doing sth.
答
A.getting have trouble (in) doing sth.
答
have trouble doing sth 做某事有麻烦
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答
have trouble (或 problem) 后面固定接 动名词或动名词引导的从句
答
句子的 doing 是现在分词（Present Participle）(又称-ing形式）
是固定用法.其他类似例子
SINGING well is not easy.
HAVING finished,he went home.
I enjoy EATING mango.
答
固定搭配，还有的像difficulty .这样的词有很多，楼主注意归纳总结，我也是过来人