问题

Why didn’t you call him yesterday?— I him ,but the line was busy.[ ]

A: do call
B: did call
C: was calling
D: had called

正确答案是：

同类题型

I shall never forget those years ________I lived inthe country with farmers， ________has a great effect on mylife.

What size pizza _______ Lily like — She _____ like a large pizza.

You should do your homework＿＿ watching TV.

________ is now no ________ that global warming is a security threat to us all [ ]

ould you be so late today —I got stuck in the heavy traffic, or I ____________here earlier.