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(2013·北京东城二次联考)- you interrupt now?Can't you see I'm on the phone?-Sorry.sir.but

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(2013·北京东城二次联考)- you interrupt now?Can't you see I'm on the phone?-Sorry.sir.but

(2013·北京东城二次联考)—________ you interrupt now?Can't you see I'm on the phone?

—Sorry,sir,but it's urgent.

A.Can B.Should
C.Must D.Would

试题答案

C

解析