21. Entering the lecture hall, ____ from their clothing.
A. snow beat off
B. they beat off snow
C. snow was beaten off by them
D. they were beaten off snow
22. I advised ____, but he turned me a deaf ear.
A. him not to smoke again
B. him to smoke not again
C. him to not smoke again
D. not him to smoke again
23. The clerk is going to take bus ____ money.
A. by saving
B. to save
C. for to save
D. saving
24. Everybody has arrived. It’s time we _____ the meeting.
A. would start
B. had started
C. shall start
D. started
25. _____ available, we would certainly have sent him to the meeting.
A. John was
B. Wasn’t John
C. Had John been
D. John had been
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