not be sure 还是 be not sure???谢谢
造句
be not sure
I'm not sure yet.
I'm not sure yet.
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第1个回答 2008-01-12
Don't be sure!
第2个回答 2008-01-12
be not sure
第3个回答 2008-01-12
be not sure
第4个回答 2008-01-12
be not