单项选择题

You'd better______ on work time, or the boss may be angry with you.

A．not play
B．not to play
C．to not play
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单项选择题
Excuse me for calling you so ______ in the evening.
A．late
B．later
C．lately
单项选择题
______ had asked him to bring some apples when he came, ______ he forget it at all.
A．Though; but
B．Though; /
C．Till; /
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