— I saw Mr Li at the meeting yesterday.— Did you? He _______ have attended it, for he had asked for sick leave.
#87289
A
needn’t
B
couldn’t
C
shouldn’t
D
mustn’t
推荐题目
―Why? Where is the key to the sound lab? ―Dear me! You _______ it in the taxi！
#89994
A
have never left
B
never left
C
haven’t left
D
didn’t leave
All the doctors in the hospital insisted that he________ badly wounded and that he ______at once.
#87457
A
should be, be operated on
B
were, must be operated on
C
was, should be operated
D
was ,be operated on
It has been announced that candidates remain in their seats until all the papers have been collected.
#87782
A
can
B
shall
C
will
D
may
But for friction (摩擦力), people ______ neither walk, nor even stand up.
#86752
A
can
B
were able to
C
will be able to
D
could