—What have you learned from your experience in Thailand?—Well, meeting people from another culture ______ be very difficult.
#63318
A
must
B
can
C
should
D
shall
推荐题目
(2013·皖南八校一模)I felt surprised that anyone of his intelligence ________ such an easy test.
#62427
A
might have failed
B
could have failed
C
should have failed
D
must have failed
You________ drink it, for it is poisonous.
#63655
A
can’t
B
needn’t
C
may not
D
mustn’t