You are wet through. You ___________ in the rain.  
#87522
A
must come
B
must have forgotten
C
may catch
D
must have got caught
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They got two free tickets to Canada, otherwise they______ able to afford to go.
#90047
A
wouldn’t have been
B
mustn’t have been
C
wouldn’t be
D
hadn’t been
I suggest he __ leave at once.
#88096
A
should
B
must
C
would
D
used to
Swimming alone ____ be ____ dangerous. Do be careful.
#89464
A
need, highly
B
may, high
C
can; highly
D
can; high