单项选择题

Don’t be afraid of asking for help_______ it is needed.

A．unless
B．since
C．although
D．when
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单项选择题
Is _________ here ― No, Bob is ill at home.
A．anybody
B．somebody
C．everybody
D．nobody
单项选择题
Could you do me a favor and take the box up to the sixth floor ------
A．With pleasure
B．My pleasure
C．No wonder
D．No comment
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