Question

She ________ a newspaper while she ________ for the bus.

A. was reading, waited
B. read, waited
C. read, had waited
D. was reading, was waiting

Answer 1

答案D
由while引导的时间状语从句中，若while两边的动作均有延续性可用丛咐进行时。本渗纤纯题句意为“她一边等车竖铅一边看报纸”。故主从句都用过去进行时。