He () the Party since 1977 A.joined B.has joined C.has been in 单选及原因

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这道题的正确答案是：
C
在完成时中,短暂性动词join变为be in 加入
自1977年他就加入了党.
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B. has joined
He has joined the Party since 1977. 他1977年就入党了。
谢谢。请采纳。O(∩_∩)O~

选C，since是现在完成时的标志，而且现在完成时里面的动词得是可持续性的动词，所以选C

what()he()for the halloween party He said something at the party. （改否定句）He ---- ----- anything at the party. He's late for the party=He __ ___ the party late He is the brains of the party怎么翻译? 翻译：He may like you the best of the party. He had a good time at the party.He___ ______ ______at the party. Who can Tony meet in the party if he goes to the party?的中文 He liked your ideas for the party.请问for the party是做宾补吗? 英语翻译 That he will come to the party is certain he invited many his friends to the party.为什么不对? He is late to the party.（修改病句） He invited me to the party 变被动语态 4.To my surprise,he _____ the party with me. he is wondering whether to go to the party. He goes to the party late.同义句 He is going to the school party,______.(我也是) he invited me to the party变成被动语态 To my sprise ,he ( ) the party with me.