问题
选择题
I just ________ seem to get it into my son's head how important it is to learn English well.[ ]
A．mustn't
B．won't
C．can't
D．needn't
答案
答案：C
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I just ________ seem to get it into my son's head how important it is to learn English well.[ ]
A．mustn't
B．won't
C．can't
D．needn't
答案：C