6.We should study hard to make our country _______.( )
| A. | The more beautiful | B. | more and more beautiful | ||
| C. | much beautiful |
5.When I got to the station,the train ______for half an hour..( )
| A. | left | B. | had left | C. | had been away |
4.---When did the accident happen?
---It happened ____ six o'clock ___ the afternoon of last Monday.( )
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---It happened ____ six o'clock ___ the afternoon of last Monday.( )
| A. | at,on | B. | in,on | C. | for,in |