单项选择题

I don't know when he ______ back. When he comes back, please let me know.

A．would come
B．comes
C．will come
D．is coming
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单项选择题
In my family mother is always the first ______.
A．to get up
B．getting up
C．get up
D．got up
单项选择题
It was such little boys that can't lift up ______ box.
A．so heavy a
B．so a heavy
C．such heavy a
D．a heavy such
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