pierre must decide what --- next A to do B do C doing D did

问题描述:

pierre must decide what ___ next A to do B do C doing D did 选A 要怎么讲解
有没有什么更专业的讲解?就这么简单?
1个回答 分类:英语 2014-11-27

问题解答:

我来补答
表示待做的事情,用to do
 
 
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