用所给词适当形式填空: 1. The men in _______ (制服) came up to them 2. When you come to the ________ (拐角), turn right. 3. He ran ________ (朝,向) the car that was moving. 4. Are you ________ (惊讶的) to see the animals? 5. My mother was ill yesterday and she felt very ________ (虚弱的). 6. Can you swim ________ (cross) the river. 7. The problem is very easy. They can work it out ________ (easy). 8. He went to school without ________ (have) breakfast. 9. They ________ (plan) to take another route when they saw the robbers. 10. We'll learn the ________ (twelve) lesson tomorrow.