问题详情：
用所给词的适当形式填空：
1、Who works , Jack or John? (carefully)
2、Mr. Black lives on the floor. (six)
3、Jack will come back on the of next month. (twenty-three)
4、Different people may have different . (idea
5、That cat is too young to look after . (it)
6、Chinese is one of the most important in the world. (language)
7、People often mistake for each other. (we)
8、I often go to work on . (foot)
9、Is bike red or black? (he)
10、Autumn is the season of the year. (three)
【回答】
more carefully 2、sixth 3、twenty-third 4、ideas
itself 6、languages 7、us 8、foot
his 10、third
知识点：构词法
题型：完成句子
