单项选择题

Tom puts up his hand ______ the teacher asks a question. A) every time C) some time B. in time D) at times
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单项选择题
If you need a dictionary, I'll lend you. ______.
A．one
B．some
C．the one
D．another
单项选择题
______ you have to do is more practice.
A．All that
B．That
C．All what
D．which
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