| Please be seated ladies and gentlmen.
Seat the boy next to his brother.
答案 A
15. The father， rather than the brothers， _______ responsible for the accident.
A. is B. are C. have been D. has
主语 the father ，单数
be responsible for 对……负责
答案 A
16. Either Carol or Grace ______ to the concert， but one of them has to stay home.
A. is coming B. are coming C. will coming D. have come
either……or 谓语动词与临近主语一致。
答案 A
17. The total amount of money ______ 100 dollars.
A. is B. are C. has D. have
money 不可数名词，谓语动词单数。
答案 A （北京安通学校提供）
18. Great quantities of fish _____ on high seas.
A. is caught B. are caught C. catch D. is catching
quantities 复数形式
答案 B
19. Either of the young ladies _____ perfectly qualified to teach Greek and Latin.
A. is B. are C. has D. have
either打头，谓语动词单数。
答案 A
20. Having studied your report carefully， I am convinced that neither of your solutions _____ correct.
A. are B. is C. had D. will
neither 两者都不，谓语动词单数。
答案 B
21. In some countries each of the citizens ______ to decide government policies.
A. helps B. help C. are helped D. is helped
each 每一个，谓语动词单数。
答案 A
22. The nurse added_____ to the medcine to make the ease for the child to take.
A. some sugar B. some sugars C. a sugar D. sugars
suger 不可数名词
答案 A
take medcine 吃药