(根据提示写句子)
( )| A．They are getting on the train. |
| B．They are going to get on the train. |
| C．They are getting into the car. |
| A. by bus B. by car C. by train D. by plane E. by ship F. by subway |
| A．in | B．on | C．by |
( )| A．by plane | B．by bus | C．by train |
( )| A．We often go to the park by bus. | B．We often go to the park by subway. |
( )| A．Alice usually goes to school on foot. |
| B．Alice often goes to school by bus. |
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