问题
选择题
(2012·重庆高考)—________ 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
答案
答案:C
选C 考查情态动词的用法。句意:“你偏要现在打扰我吗?难道你没有看到我正在打电话吗?”“对不起,先生,但是情况太紧急了。”must表示“偏要,硬要”。故选C项。