问题

Listen ! There is a knock on the door. Who ________ it be?— It must be Jack. Just now I sent for him.[ ]

A: shall
B: can
C: must
D: might

正确答案是：

同类题型

_ English well, one must have a lotpractice.

me, but could I trouble you for somechange——_______.Will pennies do

Did you know any French before you arrived in Washington?— Never ____ it, actually.

raise to yourself,____ you’ll build upconfidence throughout the difficult times

－ Do you who is your English teacher－ Miss Green