—Let，s do something at the party. What about ？
—No，I，d like .
| A．to sing；to dance | B．to sing；dancing |
| C．singing；dancing | D．singing；to dance |
He made a mistake, but then he took action to change the situation ________ it got worse.
| A．until | B．when | C．before | D．because |
Having ________ exercise every day will do great good to your health.
| A．a lot | B．a number of | C．too much | D．plenty of |
— I’m new in Wuxi.
— Take a map of Wuxi with you. You’ll find it of great ________ in helping you to get round Wuxi.
| A．price | B．cost | C．interest | D．importance |
Look at the sign! It says “No Smoking!” You ________ smoke here. It’s dangerous.
| A．mustn’t | B．ought not to | C．needn’t | D．don’t have to |
Boris has brain. In fact, I don’t think that anyone in the class has ________ IQ.
| A．a high | B．a higher | C．the higher | D．the highest |