问题描述:
___ there any elephants in the zoo last year? No.there ___ , but there ___ some now.
A.Are ,aren't ,are B.Was ,wasn't ,are C,Were,weren't ,were D,Were,weren't,are 翻译并语法说明
A.Are ,aren't ,are B.Was ,wasn't ,are C,Were,weren't ,were D,Were,weren't,are 翻译并语法说明
问题解答:
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