问题

Don’t be so disappointed.I’m sure that you can do better in the next exam. –Yes, but I ____ this time.

A:should be more careful
B:could be more careful
C:should have been more careful
D:must have been more carefully

正确答案是：

同类题型

There were some chairs left over____ everyone had sat down

Evidence has been piled updrinking water before breakfast is good for our health

Ann, I remember that you didn’t use noodles with chopsticks well.—People should change.After my three-year life in China．I am used noodles with them.

3He thinks I have spoken ill of him, ____ I’m always speaking well of him

_______ interesting movie it is!—Yes. I like it very much.