单项选择题

I have not found my book yet. I'm not sure () I could have done with it.

A．why
B．where
C．whether
D．what

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单项选择题
Last week the couple revisited the city () they spent their first holiday.

A．in that
B．which
C．where
D．when
单项选择题
They show no()in this topic.

A．any interest
B．interesting
C．interests
D．interest
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