问题

By the time I got to the check-out, I realized that I _____ my purse at my office.

A:have left
B:had left
C:left
D:was leaving;

正确答案是：

同类题型

If all of us give ________helping hand, we can make the world ________ better place.

______________ being no bus, we decided to walk home.

____he will go to work in a mountainvillage surprises all of us.

Tony is very and he enjoys doing all kinds of exercise after school.

29. The teachers are said to have moved to that ______ building, where they can work and live better than before.