题目内容
.---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
A

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题目内容
.---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
A