he hurt his leg yesterday .He has difficulty walking now.句中为

vsstar2022-10-04 11:39:541条回答

he hurt his leg yesterday .He has difficulty walking now.句中为何walk用ing

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didi4545 共回答了18个问题 | 采纳率94.4%
have difficulty (in) doing sth 在做某事方面有困难,省略了一个介词in,介词后的动词都是ing形式的,这是个固定搭配.
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1年前

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