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He won't come to the party unless____.A.being invited B.invi

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He won't come to the party unless____.A.being invited B.invited C.inviting D.to have been invited
我想选A可以吗?
不可以.
此题采用状语从句的省略语法:如果状语从句的主语和主句主语一样,且从句的谓语动词含有be动词,则可以同时省略状语从句的主语和be动词.
即:unless invited
= unless (he is) invited
如果用A,则:unless being invited = unless (he is) being invited
此时unless从句采用现在进行时,不妥.
再问: 还是不明白,这句话的意思不是“他不会去这个聚会,除非被邀请”吗?我用的是被动语态不行吗?
再答: 没错啊。 原句补充如下: He won't come to the party unless invited. = He won't come to the party unless (he is) invited. 括号内部分就是被省略的部分,所以答案B为正解。 至于为什么这样省略,我在上面已经把这个语法解释得很清楚了。