-- Is it your brother playing football outside? -- It ________ be him. He is helping mother with dishes now.
#76128
A
must
B
can’t
C
mustn’t
D
can
推荐题目
—I lost my pet pig, but it came back yesterday.—As the saying goes: an old horse knew the way.
#77834
A
塞翁失马
B
老马识途
C
马失前蹄
D
马到成功
—Someone is knocking at the door. Is it Ann?—It _____ be her. She is giving a performance at the theatre now.
#75354
A
may
B
must
C
can’t
D
mustn’t
Teenagers _______ allowed to drive in the street ．
#76447
A
should not be
B
should be not
C
not should be
D
shouldn't
The first snow of every year is always so exciting, but too much snow _________ cause trouble
#62567
A
shall
B
need
C
can
D
must
The weather turned out to be fine yesterday. I _______ have taken the trouble to carry my umbrella with me.
#63182
A
should
B
could
C
needn’t
D
mustn’t