These days, people ________ many trees, so we don’t have much clean air now.
A. cut down B. come true C. have to D. get to
—Excuse me, where is the post office?
—Walk along Green Street and turn left at _________ crossing, then you can find it.
A. first B. one C. the first D. the one
—Excuse me, could you please tell me the way to the library?
—______________.
A. Yes, I could. B. Sure, no problem. C. No, I couldn’t. D. You’re welcome.
—Where’s Sally, Mom?
—Oh, she __________ in the garden with her friends.
A. sits B. is sitting C. is sit D. sitting
Jane __________ 3 hours doing her homework every weekend.
A. takes B. spends C. studies D. plays
—Must I finish my homework this morning?
—No, you ___________. You can finish it this afternoon.
A. mustn’t B. couldn’t C. needn’t D. can’t
