根据句意和首字母提示,完成下列单词拼写

根据句意和首字母提示,完成下列单词拼写
1.Sally is mineteen years old and she is in c_____ .
2.Most of the tall b___ are over twnty floors.
3.The cars bring the earth more p____ .
4.Use your head,and e__ will be easier than you think.
5.Many of the students go to school by s_____ .
急 悬赏分没有好多,以后再补,