问题

fraid you missed a fantastic lecture yesterday. How come you were absent from it—If you _______ know, I asked for a day off and visited a relative of mine in hospital.

A:might
B:may
C:shall
D:must;

正确答案是：

同类题型

Tom, why not stop _________ a rest— Oh, no, mum. It’s so interesting that I can’t stop _________ the kite.

his overcoat, the manager went outimmediately

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We must wear __________shoes for gym class today.

is no perfect person, some peoplehave made _____success of themselves in spite of what would appear to be ______weakness in their professions