| 1 | Then,suddenly she noticed the clock. | |
| 2 | Early in the industrial revolution, workplaces typically had no clocks. | |
| 3 | If he keeps fiddling with the clock, he is sure to put it out of order. | |
| 4 | He took the spring out of the clock but now he can't get it back. | |
| 5 | On Wall Street, they've already set their clocks back to 1929. |