21. Bruce, ______ headmaster of our school, was elected by voting and other leaders were chosen in ______ same way.
A. /; the B. the; the C. /; a D. a; the
22. —To tell you the truth, you ______ to win the first prize in the competition.
—Sorry for having let you down.
A. have expected B. are expected C. were expecting D. were expected
23. Once this kind of cellphone is ______, I will try to get one for you.
A. available B. accessible C. approachable D. acceptable
24. In my home breakfast is ______ at 7 o’clock, which has ______ unchanged for 20 years.
A. ordered; lasted B. served; remained C. served; appeared D. ordered; developed