21. The road in front of our school is _____ and is closed to all the cars.
A. repairing B. being repaired C. repaired D. repair
22. As soon as he comes back, I’ll tell him when _____ and see him.
A. you will come B. will you come C. you come D. do you come
23. The meeting _____ late in the afternoon and we all went home.
A. broke out B. broke up C. broke through D. broke down
24.You _____ be tired; you have been working for so long a time,
but he _____ be tired; he has just begun to work.
A. may not; must B. must; may not C. can’t; must D. must; can’t