问题描述：
She （ ）see,and she （ ）hear las
She （ ）see,and she （ ）hear last year.
A：couldn't /can't.
B:couldn't /couldn't .
C;can't /can't.
She （ ）see,and she （ ）hear last year.
A：couldn't /can't.
B:couldn't /couldn't .
C;can't /can't.
问题解答：
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