don't worry,I think what we need to do______（选择题）Ais doing Bwas doing Cis done Dhas done
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don't worry,I think what we need to do______（选择题）Ais doing Bwas doing Cis done Dhas done
don't worry,I think what we need to do______（选择题）
Ais doing Bwas doing Cis done Dhas done
don't worry,I think what we need to do______（选择题）Ais doing Bwas doing Cis done Dhas done
C
答案：D
翻译：别担心，我想我们需要做的事情【已经做完】。
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A is doing
C
我认为我们需要做的（被）做了
c
A, is doing .从字面意思和语句都可以看出。字面意思：我们需要做的就是现在做。语法：what we need to do这些是插入语，可以忽略。b是过去式，c、是被动 D是已经做的 很容易排除
C毫无疑问。
我感觉，这个题略有点不好。从情景来看，a b排除，从时态来看是现在完成时，c排除。从语态来看是被动语态。最恰当是has been done 有些资料上的题不好。别受误导。硬要选一个那就d
C.
从 谚语：“What is done cannot be undone。”“覆水难收”来看，done可以作形容词用，就象He is gone= He has gone一样。 sth is done= sth. has been done.