Mr. Bush is on time for everything. How _____ it be that he was late for the opening ceremony?
#4839
A
can
B
should
C
may
D
must
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He must have attended the meeting yesterday, ___he?
#4556
A
didn’t
B
mustn’t
C
needn’t
D
hadn’t
____ difficulties we meet, we can work them out.
#5013
A
Whatever
B
However
C
Wherever
D
Whenever