单项选择题

A．Helping people keep clean.
B．Helping people build up muscle.
C．Helping people build up cells.
D．Helping people remove the waste.
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单项选择题
A．Limit the necessary things to take. B．Take all his things with him. C．Mail all his things to university. D．Rent a truck to carry his things.
A．Limit the necessary things to take.
B．Take all his things with him.
C．Mail all his things to university.
D．Rent a truck to carry his things.
单项选择题
A．Prepare for history presentation together next Thursday. B．Work out the difficult problems in history at once. C．Work on history presentation together next Monday. D．Find out the difficulties in the presentation immediately.
A．Prepare for history presentation together next Thursday.
B．Work out the difficult problems in history at once.
C．Work on history presentation together next Monday.
D．Find out the difficulties in the presentation immediately.
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