语法与词汇
37.We hadn't expected a power cut so we were astonished when the whole house was______ into darkness.
【正确答案】
B
【答案解析】这句话的意思是：我们并未料到会停电，所以当整个屋子一下子变得漆黑时我们大吃一惊。plunge一般与into连用，指陷于某种状态；dive意为“跳水、俯冲、突然潜入”；drown意为“淹死、淹没”；drop意为“落下、滴下、下降”。根据句意，选项B为正确答案。