The bus ____ at six, but it arrived an hour later.
#63180
A
should arrive
B
had arrived
C
should have arrived
D
must arrive
推荐题目
—Is that boy Alan?—No, it ______ be him. He left for Beijing yesterday.
#74514
A
can’t
B
shouldn’t
C
needn’t
D
mustn’t
Today is Wednesday. He _______ be at home. He _____ be at school.
#77309
A
can’t, can
B
can’t, must
C
mustn’t, must
D
mustn’t, can