—Peter looked tired and a little absent-minded in class. —He _____ too late.
#87899
A
may stay up
B
could stay up
C
should have stayed up
D
must have stayed up
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This is his only request that the room_______ after being used.
#87382
A
be cleaned
B
would be cleaned
C
is cleaned
D
will be cleaned
 With everything she _______, she went home.
#87870
A
needed to buy
B
needed buying
C
needed buy
D
needed bought
The rules require that ______you only one guest to the dinner. But they requires______ 
#90292
A
will bring; reforming
B
should bring; to reform
C
bring; reforming
D
have brought; to be reformed