Cars play an important role in modern life, but they ______ also cause many problems like air pollution.
#63554
A
should
B
can
C
must
D
will
推荐题目
(2014·衡水中学月考)You________scold such a pupil who always keeps silent so seriously that you________hurt him.
#62200
A
should；can
B
may；will
C
mustn’t；may
D
can’t；must
-- 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
— Are you going to Beijing by air?— It’s fast, but expensive. So I’m not sure. I _____ take a train.
#76481
A
may
B
will
C
must
D
should