Today is my sister's birthday She --- (cut) her brithday cak

问题描述:

Today is my sister's birthday She ___ (cut) her brithday cake now
1个回答 分类:英语 2014-10-02

问题解答:

我来补答
is cutting
再问: 能讲讲吗?
再答: 有now说明是现在进行时,she第三人称单数be动词用is
 
 
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