| 1 | I double the speed. | |
| 2 | There isn't much time ahead, so we should redouble our effort. | |
| 3 | "I' ll double that to 20 minutes," said Fox. | |
| 4 | The roads are slippery today, so you'll have to be doubly careful driving the car. | |
| 5 | If your cable were urgent, the rate will be doubled. |
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