问题

“It’s twelve o’clock, I think I must be off now.” “Oh, really？ I ______ it at all.”

A:don’t realize
B:haven’t realized
C:didn’t realize
D:hadn’t realized

正确答案是：

同类题型

High-speedtrains which travel through my home town ______ up to 250 km per hour make it a small world

Tree Planting Day is on ______ of March.

When can you get my car repaired?I need it tomorrow morning.— It be ready by 8:00.[ ]

What does Jenny look like—______.

am sorry ______ the traffic is so heavy. —–Does that _______ why you are so late ?