不定式 问did you enjoy yourself last night?答It's very nice of you .I appreciated(having been invited) to the party.请告诉我为什么这么用》括号里的

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不定式 问did you enjoy yourself last night?答It's very nice of you .I appreciated(having been invited) to the party.请告诉我为什么这么用》括号里的
不定式
问did you enjoy yourself last night?
答It's very nice of you .I appreciated(having been invited) to the party.
请告诉我为什么这么用》括号里的

不定式 问did you enjoy yourself last night?答It's very nice of you .I appreciated(having been invited) to the party.请告诉我为什么这么用》括号里的
appreciate后+doing,应为是被邀请,且发生在感激之前,故用-ing的完成式的被动式.