—You should ______ careful in your work and life every day. —You’re right.
A. be B. are C. is D. am
—_____ do you _____ English? —I like it very much.
A. How; think of B. What; like
C. How; like to D. What; think of
—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.
