1．He didn’t come to school yesterday because of his i________．

2．“Do as the Romans do”is an old s________．

3．I can say her name out quickly because we always stay in t________．

4．You’d better tell your parents no m________ where you go．

5．I was too tired and fell a________ soon last night．

6．It’s a difficult________ (决定)for any doctor．

7．One day，you will realize the________(重要性)of time．

8．I can’t be a nurse，for I have no ________ (耐心) ．

9．Hard working is the key to________ (成功) ．

10．The little baby has six________ (牙齿) ．