—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
