I think she has gone to Xian on business, ______?

单选题

I think she has gone to Xian on business, ______?

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---Listen! Is that Kate playing the piano in the room? ---No, it ______ be Kate. She has gone to Beijing.

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单选题

She has just （)up the receiver.

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She ought to stop working.She has a headache because she( )too long.

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单选题

Im content with the way the campaign has gone.

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