two weeks ----enough for us to finish the work,and we need -----week A isn't a third B aren,t thir

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
英语人气:922 ℃时间:2019-09-27 18:47:58
优质解答
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
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