—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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Jack described his father，who ________ a brave boy many years ago，as a strong－willed man.
#86553
A
would be
B
would have been
C
must be
D
must have been
Thank you for giving me a hand. I ______ in the experiment without your valuable help.
#89288
A
have failed
B
will fail
C
would have failed
D
must have failed
——Can I pay the bill by check?——Sorry, sir. But it is the management rule of our hotel that payment ____ be made in cash.
#89415
A
shall
B
need
C
will
D
can
But for the help of my English teacher, I _______ the first prize in the English Writing Competition.
#87749
A
would not win
B
could not win
C
could have won
D
would not have won
If penicillin _____________ available, many people ______________ from sickness.
#86943
A
weren’t , would have died
B
shouldn’t be, would die
C
hadn’t been, would have died
D
is, will die