You should have put the milk in the ice box. I expect it  ___undrinkable by now.
#89481
A
became
B
had become
C
has become
D
becomes
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It's dark, Mum ___ be waiting for my return.
#89027
A
can
B
should
C
must
D
may
.---I didn't go to work yesterday because my car broke down. ---You ____ mine. I wasn't using it then.
#89999
A
might borrow
B
could have borrowed
C
must have borrowed
D
ought to borrow
 When he saw all his books _____ here and there on the floor, he knew that something terrible _____. 
#88903
A
lying; must have happened
B
lie; must happen
C
lay; might have happened
D
had lain; could have happen
—You _____ a meal this evening. I had dinner at a restaurant with Tom.—Well, why didn’t you phone me and let me know?
#88104
A
should not cook
B
don’t need to cook
C
needn’t have cooked
D
should have cooked