Sometimes the boy is a bad-tempered child, but he ____ be quite lovely when he wishes.
#63210
A
may
B
can
C
shall
D
must
推荐题目
You didn’t have breakfast. You ________ be hungry now.
#77187
A
must
B
can’t
C
could
D
might
People who drink wine ______ to drive after May Day. 
#77648
A
don’t allow
B
isn’t allowed
C
mustn’t allow
D
mustn’t be allowed
--- He worked out such different questions at a very young age.--- Oh, he ______ a very smart student then.
#63131
A
could have been
B
should have been
C
might have been
D
must have been