Mary __________ the job he offered to her, but she didn’t.
#63532
A
can’t take
B
ought to have taken
C
should take
D
must have taken
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As nobody here knows what is wrong with the machine, we send for an engineer to handle the problem．
#63675
A
should
B
must
C
can
D
would
Few weight-loss pills can help to keep people slim, _______?
#74637
A
do they
B
dodt they
C
can't they
D
can they
----Jack, how are you feeling now?----I am much better, Mum, so you ______________ take me to see the doctor.
#74166
A
Can’t
B
mustn’t
C
needn’t
D
couldn’t
He _______ have taken your car by mistake because he didn’t have the keys.
#63034
A
mustn’t
B
shouldn’t
C
couldn’t
D
needn’t