适当形式填空 1.I need tjis job,for I have to make a------- (live)

适当形式填空 1.I need tjis job,for I have to make a------- (live)
2.Please tell me the -------(mean)of this sentence.
3.If you study hard,you -------(get) good grades.
4.WWF cares for wild animals in -------(dangerous).