问题补充：
In that terrible earthquake, who were killed more than 20,000.
A. the number of people; was
B. a number of people; were
C. many people; were
D. the number of people; were
答案：
(答案→)A. the number of people; was
B. a number of people; were
C. many people; were
D. the number of people; were
解析：考查主谓一致：the number of people人的数量，后面谓语是单数， a number of people许多人，谓语用复数，many people后面用复数，句意：在可怕的地震中，丧生的人的数量是超过了2万。选A。
