根据句意及首字母提示在横线处填上恰当的单词，使句子意思完整,语法正确。
1. I try my best to learn English well. I don't want to let my parents d_______.
2. Dick is k ______ about geography. He has read many books and travelled to many diifferent places
around the world.
3. My best fricnd is very smart. She can always come up w_______ some good ideas.
4. You need a lawyer to r______ you in court.
5. Have you carried the box to the s_______? It's dangerous here.
6. Only ten studcnts came to the class because dll the r_______ of the students were sick.
缺失，余牙健，牙槽峭丰满度差。