单项选择题

I'm very grateful for your help and hope to do something for you （） in the future.

A．in exchange
B．instead
C．in return
D．in particular

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单项选择题
（） by a large audience, he felt very nervous and didn't know what to say.

A．Watching
B．Watch
C．Watched
D．Having watched
单项选择题
Unfortunately, the package I was expecting was （） to the wrong address.

A．written
B．given
C．packed
D．delivered
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