Choose the best answer and circle the letter A, B, C or D

choose the best answer and circle the letter A,B,C or D 
1. Walking to school will help .................. air pollution
A.reuse             B . reduce            C.recycle             D.refill
2.If it ................. , the children ................... for a walk
A. doesn't rain , doesn't go            B.rains , will not go       C.rain , will not go        D.rains , won't not go