They have some problems ----- tothe hill (ride/rides/riding/

问题描述:

They have some problems _____ tothe hill (ride/rides/riding/to ride)
请说明理由
请说明理由.
1个回答 分类:英语 2014-12-10

问题解答:

我来补答
iding
这是固定结构,have some problems(in)doing sth你记住就行了!
 
 
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