在下列各句的空白处填入一个适当的词,使句子意思完整,语法正确。 1. I want to be a _______. I like helping doctors and looking after patients. 2. Dad, I'm hungry. Can you _______ supper for me? 3. It's very _______ today. Put on warm clothes when you go out. 4. We should take more exercise. It is good _______ our health. 5. You will have a good time _______ you go to the party.