Mr. Bush is on time for everything. How ____ it be that he was late for the opening ceremony ?
#90283
A
can
B
should
C
may
D
must
推荐题目
“Did Jim come?” “I don’t know. He _______ while I was out.”
#89540
A
might have come
B
might come
C
mush have come
D
should have come
―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
—How did you do on the test?—Not so well. I ______much better, but I misread the directions for Part One.
#87481
A
could
B
could have done
C
must have done
D
should do
Thank you for all your hard work last week. I don’t think we ______ it without you.
#87231
A
could have managed
B
can manage
C
could manage
D
can have managed