oops, I didn't know you are learning pinyin...umm, the answers are :
1.wo ke yi shi yong zhe ge ci ma?
2."ce suo" he "xi shou jian" zhe liang ge ci, na yi ge geng li mao yi xie?
3.zhe shi yong lai miao hui dong wu de.
sorry about the answers I gave 10 min ago, this time it should be what you need.