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
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“Is John coming by train？” “He should, but he _____ not. He likes driving his car.”
#88173
A
must
B
can
C
need
D
may
－Why didn’t Susan come to see us yesterday as she promised?－______.
#87312
A
She must be busy
B
She might have been free
C
She must have been busy
D
She can’t be free
He directed exposure to pigs,otherwise he_______pig flu.
#90450
A
couldn’t get
B
wouldn’t have gotten
C
couldn’t have got
D
woud get
I my homework yesterday, but unfortunately I forgot about it totally.
#87193
A
need have handed in
B
should have handed in
C
must have handed in
D
may have handed in
．—Without your help, we _____ this task on time.—My pleasure.
#89503
A
don’t finish
B
will not finish
C
didn’t finish
D
would not have finished