I have ever been camping ?
I have ever been camping .改为否定句为 I have ( )( )camping.
Nancy isn't going to go camping .(改为否定句) i won't go and join them .(改为否定句)
答:1. “I don’t like to travel.”“Have you ever _____ in an airplane?” 选D fly的过去分词 a....详情>>
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