The lesson drawn from the coal mine accidents is that safety measures are so important that we _____ take them too seriously.
#87972
A
can’t
B
should
C
mustn’t
D
shall
推荐题目
________ for the free ticket, I would not have gone to the theatre so often.
#87903
A
Were it not
B
Had it not been
C
Had not it been
D
Were not it
_____ U2, the Irish rock band from Dublin perform a concert in Beijing, tell me in advance.
#89100
A
If
B
Shall
C
Should
D
Would
— Mary’s sister looks very beautiful now.— But she was very ugly before she tidied up her appearance（整容）. You _________ believe it!
#87061
A
shouldn’t
B
mustn’t
C
wouldn’t
D
might not