单项选择题

The machine must be operated (by hand). It isn’’t automatic.

A．mentally
B．annually
C．manually
D．heavily
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单项选择题
He had been (forced) to give up much of his time to housework.
A．compelled
B．demanded
C．determined
D．required
单项选择题
Although you are busy, you must (allow for) your health.
A．attend
B．take account of
C．put in the charge of
D．take charge of
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