You _____ lose your way if you walk alone in the mountains at night.
#77800
A
may
B
need
C
should
D
ought to
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He______ his work, otherwise, he wouldn’t be enjoying himself by the seaside.
#62448
A
must have completed
B
should have completed
C
ought to complete
D
must complete
As it turned out to be the most important meeting in the year, you ____ so casually. 
#62823
A
Shouldn’t dress up
B
shouldn’t have dressed up
C
needn't have dressed up
D
couldn’t dress up
.Just be patient. You ________expect the world to change so soon.
#63611
A
can’t
B
needn’t
C
may not
D
will not