根据汉语写单词。 小题1:Water and air are very important in our _____________ (日常的) life . 小题2:I have a new subject in Grade 8 . It is _____________ (物理). 小题3:He ___________(选择)me to be a leader in 2009. 小题4:Andy wants to be a ____________ (歌手)when he grows up.. 小题5:Sandy will be an ___________ (出色的) teacher in the future .