two weeks ----enough for us to finish the work,and we need -----week A isn't a third B aren,t thir为什么选A 说理由A isn't.a third B aren,t .third 是 两空呀

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two weeks ----enough for us to finish the work,and we need -----week A isn't a third B aren,t thir为什么选A 说理由A isn't.a third B aren,t .third 是 两空呀

two weeks ----enough for us to finish the work,and we need -----week A isn't a third B aren,t thir为什么选A 说理由A isn't.a third B aren,t .third 是 两空呀
two weeks ----enough for us to finish the work,and we need -----week A isn't a third B aren,t thir
为什么选A 说理由
A isn't.a third B aren,t .third 是 两空呀

two weeks ----enough for us to finish the work,and we need -----week A isn't a third B aren,t thir为什么选A 说理由A isn't.a third B aren,t .third 是 两空呀
A为答案,时间、距离、长度做主语,谓语动词采取单数形式;至于第二个空a+序数词表示“再、又”,就是还需要一周的意思

A:we need is not a third week
B: we need are not third week
这里指我们不需要再花一周的时间a week,因为之前已经有两周了,所以再一周是第三周也就是a third week。 a thrid week是单数,对应前面的be动词就应该是is而不是are。

对我们来说,两个星期的时间来完成这个工作是不够的。“两个星期的时间” 是一个整体,因此用单数。这里强调的不是14天,而是强调 “这个时间“。