高一英语(我要详解)1,when my neighbours came out to do morning exercise,i also
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A.join in和take part in 本质上没什么区别.这里后面没有宾语了不需要介词. A.be considered to have done 被认为做过某事.根据句意,第一台电脑被发明肯定是过去的事 了. ======以下答案可供参考====== 供参考答案1: b JOIN IN exercise D 被动句式供参考答案2: 1 D2 A