---_____ does she chat with friends on the Internet?
--- Once a week.
| A．How long | B．How often | C．How many times | D．How much |
Don’t put off today’s work for tomorrow. I mean , today’s work _____today.
| A．may do | B．must do | C．may be done | D．must be done |
—He used to be quiet, didn’t he?
—_________ And he still enjoys keeping quiet!
| A．No, he didn’t. | B．Yes, he did | C．Never. | D．I am not sure. |
There is a “ No smoking “ sign here. You _________ smoke.
| A．can | B．may | C．needn’t | D．mustn’t |
---What a heavy rain!
----So it is. I prefer ______ at home ______on such a rainy day.
| A．watch TV; to go out | B．watch TV; go out |
| C．watching TV; to going out | D．to watch TV; going out |
Look! There is _____ colour bird in the tree. ______ bird is singing.
| A．a; The | B．/; The | C．the; A | D．a; / |