what --------(be)your mother going to play jokes with tim me

问题描述:

what ________(be)your mother going to play jokes with tim mext sunday.
1个回答 分类:英语 2014-10-04

问题解答:

我来补答
is
再问: 为什么
再答: 这是 be going to 结构 主语 your mother 是单数第三人称,谓语系动词用 is
 
 
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