Don’t you think that the river is _________ now?
| A．much cleaner | B．very cleaner | C．much clean | D．cleanest |
We should eat more fruit and vegetables to keep ______/'helθɪ/.
| A．happen | B．health | C．hardly | D．healthy |
Please open the window and let the _____ /freʃ/air in.
| A．fresh | B．flash | C．fish | D．future |
Library is a good ______ /pleɪs/ to study for a test.
| A．play | B．place | C．plant | D．plan |
I go to school every day on my new _______ /baɪk/.
| A．bag | B．bed | C．back | D．bike |
---Congratulations! You won the first prize in the writing competition.
---__________. I have made several terrible mistakes.
| A．You must be joking. | B．I think so. |
| C．You are welcome. | D．It doesn’t matter. |