问题

. Linda was walking in the street ________she noticed a thief stealing from a old lady.

A:while
B:when
C:as
D:which

正确答案是：

同类题型

When was _____ you last met Jennifer? I haven’t seen her for ages.[ ]

He’s a good student. He________ late for school.

They’re not very good, but we like ______. [ ]

minute, __________

I usually go to school by ________/ baIk / on weekdays.