13.-Have a good holiday in Hainan.
-_________.I guess it'll be great fun playing on the beach.( )
-_________.I guess it'll be great fun playing on the beach.( )
| A. | I'm afraid not | B. | I'm not sure | C. | Of course | D. | I hope so |
12.We are sure that PM 2.5_______if we care about protecting the environment.( )
| A. | will control | B. | is controlled | ||
| C. | controls | D. | will be controlled |
11.--______ Tony is working!
--Yes.We should learn from him.( )
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--Yes.We should learn from him.( )
| A. | What hard | B. | How hard | C. | What a hard | D. | How hardly |