| 1. | They should have left since the light is on 他们不可能出门了,因为灯还开着呢! |
| 2. | Light travels faster than sound . the lights are on 光比声的速度快。灯都开了。 |
| 3. | They couldn ' t go out as the lights are on 他们不可能出门了,因为灯还开着呢! |
| 4. | Light travels faster than sound . the lights are on 光比声的速度快。电灯已经亮了。 |
| 5. | They would not be out of house , for the light is on 他们不可能出门了,因为灯还开着呢! |
| 6. | The lights were on . it pleased me to know she was home 灯是亮的,知道她在家让我很高兴 |
| 7. | They can ' t have gone out because the light is on 他们不可能(已经)出去,因为灯还亮着呢。 |
| 8. | It is impossible that they are out , as the light is on 他们不可能出门了,因为灯还开着呢! |
| 9. | When he arrived home , he found that all the lights were on / off 他到家时发现所有的灯都亮着关着。 |
| 10. | Rather well , should n ' t it . especially when the lights are on it , " the queen remarks 女王说: “这闪起来一定会很漂亮,你们说呢?彩灯一亮就更好看了。 ” |