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4．--Sandy.why do you look so excited?--I'll go to London for the time．I've been there once．A．first B．second C．two D．one 【查看更多】

 

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--Sandy，why do you look so excited?

--I'll go to London for the _________ time．I've been there once．

A．first         B．second         C．two         D．one

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