五 阅读下面短文，在空白处填入一个适当的词，或填入括号中所给单词的正确形式
Family rules help keep the family in order. So 1. ______ can we create family rules?
Step 1: Make the family rules.
Know what family rules we should 2. ______ (make). Give children a chance to learn how family rules work by 3. ______ (start) with one rule before others are added. Family rules should fit 4. ______ (children) ages and they can also change according to their different situations. Don't make vague rules, such as “be good”. “Be good” includes many different things and may be hard 5. ______ (understand).
Step 2: Explain the rules.
Make sure children know and understand 6. ______ rules. What's more, children need to be reminded of the rules 7. ______ time to time. Parents can also make some simple pictures or notices to put everywhere at home.
Step 3: Follow the rules.
All family members should follow the family rules. Young children learn from 8. ______ (they) parents, just like people often say that parents are the 9. ______ (one) teachers of their children. For example, 10. ______ parents are respectful and listen to others patiently, their children will follow them.

how
; make
; starting
; children's 
; to understand
; the 
; from 
; their 
; first 
; if

读后词汇拓展 猜出第五大题中画波浪线单词的词性和中文意思，并收入自己的小词典。
vague ______

adj.含糊的；不具体的