4.A. decision B. success C. effort D. trouble
3.A. teach B. learn C. accept D. use
2.A. biggest B. best C. highest D. deepest
1. A. belief B. way C. method D. condition
19.A.calling B.telling C.asking D.enjoying
18.A.people B.citizens C.students D.foreigners
17.A.growing B.expanding C.developing D.jumping
16.A.fear B.need C.interest D.hate
15.A.homeless B.careless C.selfless D.shy