三. 翻译下面各句中的划线部分。 1. Suddenly he lost control of his bike and ran into a tree . 2. The train ran over the poor man as he was crossing the line. 3. One afternoon she set out from the coast in a small boat and was caught in a storm. 4. I try to set aside a few minutes each day to do some exercises. 5. Jeff pushed open the front door, which set off the alarm . 6. Passengers may be set down and picked up only at the official stops.