---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 |