have difficulty in doing sthin 可以省略吗?
问题描述：
have difficulty in doing sth
in 可以省略吗?
答
一般不省略
答
不能省略。
这是个惯用法。记住就行了。
答
可以
答
have difficulty in doing sth .为固定表达，意为做某事是困难的，in可以省略～
答
可以省略的have difficulty (in) doing sth.比如2010年上海高考题I had great difficulty______the suitable food on the memu in that restaurant.A.find B.found C.to find D.finding 正确答案是D