问题描述：
mum.i 've lost my pen again.i knew it
- sorry mum.i 've lost my pen again.
- i _______ it.you never remember to put your things away after using them.
A.knew B.know C.have known D.will know
应该选A.为什么不是C?表示我已经知道了.不是很对吗
- sorry mum.i 've lost my pen again.
- i _______ it.you never remember to put your things away after using them.
A.knew B.know C.have known D.will know
应该选A.为什么不是C?表示我已经知道了.不是很对吗
问题解答：
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