how long (will they be)staying?为什么不是(they will be)

问题描述:

how long (will they be)staying?为什么不是(they will be)
1个回答 分类:英语 2014-12-04

问题解答:

我来补答
这是个简单句的问句, will提前
如果整个句子做宾语, 那就用whey will be
例如I don't know how long they will be staying
 
 
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