---Tom, don’t drop litter on the ground, please.
--- .
A. That’s a good idea. B. It doesn’t matter.
C. Excuse me. D. Sorry, I’ll pick it up.
If it tomorrow, we go to the park.
A. rains; don’t B. rains; won’t C. will rain; won’t D. will rain; don’t
exciting sport it is to climb the mountains！
A. How B. How an C. What a D. What an
---Your sister bought a camera last week, didn’t she?
---Yes, and it her a lot.
A. spent B. paid C. took D. cost
---Why don’t you go to the lecture room and listen to the talk?
---I hear there isn’t in it.
A. something interesting B. interesting anything
C. anything interesting D. nothing interesting
We won’t start the meeting Miss Wang comes.
A. since B. until C. while D. so
