—— What are you doing? —— I _____ a letter to my pen pal.
| A．write | B．am writing | C．writes | D．am write |
---Are there any tomatoes in the fridge? --- ________ _.
--- What’s in the fridge then? --- ____________.
| A．Nothing; None | B．None; Nothing |
| C．None; None | D．Noting; Nothing |
Nobody in our class received a(n) _____________ to the party.
| A．invitation | B．instruction |
| C．collection | D．celebration |
What _________ awful weather! You’d better not go out now.
| A．a | B．an | C．the | D．/ |
--- Laura hurt her leg on Monday. ---
| A．Oh, I know |
| B．I’m sorry to hear that |
| C．Thank you for telling me that |
| D．It doesn’t matter |
Environment is very________，but you don’t understand the_______ of it，you
always drop litter everywhere．
| A．important，important |
| B．important，importance |
| C．importance，importance |
| D．importance，important |