| A．musics | B．masic | C．music |
| A．we | B．you | C．us |
| A．helpful | B．help | C．helps |
| A．do | B．did | C．does |
| A．a | B．an | C．one |
( )| A．He can swim. | B．He can write. |
( )| A．Colin can speak English. | B．Colin can climb a tree. |
( )| A．The birds can fly. | B．The birds can't fly. |
( )| A．Liu Zhaoyang can't cook. | B．Liu Zhaoyang can cook. |
( )| A．The man can't speak. | B．The man can't see. |
__________ 2. 
__________ 
__________ 4. 
__________ 
__________ 6.
__________ 
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