单项选择题

He was so absorbed（）his work that he didn't notice me entering his mom.

A、 at
B、 on
C、 for
D、 in

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单项选择题

The sports meeting（）next Saturday.

A、 is to hold
B、 is holding
C、 holds
D、 is to be held

单项选择题

I've got a bottle of orange juice, but I haven't got anything（）I can open it with.

A、 where
B、 what
C、 which
D、 that

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