单项选择题

Mother was busy ______ when you rang up.

A．
[A] to cook

B．
[B] cook

C．
[C] cooking

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单项选择题
Yesterday when I left, they ______a meeting.
A．
[A] had

B．
[B] are having

C．
[C] were having
单项选择题
I can lend you my bike, but you may not lend it to ______.
A．
[A] other

B．
[B] others

C．
[C] the other
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