问题

I have been working with Lily for years, and never before her so serious!

A:I found
B:I have found
C:did I find
D:have I found

正确答案是：

同类题型

Linda is a funny girl. She often ______ us ______.

raininghard for 3 hours without stopping.

________. Could you tell me the way to the station

I’m _____, and I have a _____sister.

Do you know David well?——SureWefriends since ten years ago