—Which bus do I need _____? —Bus No. 818.
A. to sit B. to take C. sitting D. taking
The sign 
means “ _____”.
A. No parking B. No U-turn
C. No left turn D. No right turn
Look! The students _____ the classroom.
A. clean B. are cleaning C. are clean D. cleaning
—May I use your bike? —_____
A. Of course not.
B. Of course. Here you are.
C. I don’t have a bike.
D. No, thanks.
—Hi, Lily. Happy New Year! —_____
A. Thank you. B. Thank you all the same.
C. I’m OK. D. The same to you.
—_____ does your mother usually go to the office? —By bus.
A. Where B. What C. How D. When
