问题补充:
Great quantities of soil down the hillside by the rain last night.
A. was washed
B. were washed
C. wash
D. washes
答案:
A. was washed
(答案→)B. were washed
C. wash
D. washes
解析:考查时态及语态。昨夜大量的泥土被大雨冲下山坡。a quantity of /quantities of + n. +谓语,其中谓语的单复数形式与quantity的单复数形式保持一致。本题中是复数形式,故用are的过去时态,选B。