—I ______ something wrong just now. May 1 use your eraser?
—Of course. Here you are.
A. write B. wrote C. am writing
—I’m sorry that I broke your pen. Let me buy you a new one.
— . I have another one.
| A．Never mind. | B． | C．Thanks. | D．OK. |
—Mr. Hu, can you tell us how to learn swimming well?
—Sure. But remember we can learn nothing well _______ hard work.
| A．with | B．after | C．without | D．at |
I think _______ necessary for you _______ breakfast.
| A．this; have | B．that; to have |
| C．it’s; to have | D．it’s; have |
As we know, ________is good for our health.
| A．walks | B．walking | C．walks | D．walked |
— Must I finish my homework at once?— No, you ___________.
| A．hasn’t | B．mustn’t | C．needn’t | D．must |