Укажите противоположности:
1 to increase A safe
2 to share B to clean
3 to encourage C to worse
4 to improve D to destroy
5 to build E to common
6 wild F to despair
7 urban G to reduce
8 to pollute H disgusting
9 danger I to clean
10 marvelous J rural

to increase - to reduceto share - to common to encourage - to despairto improve - to worseto build - to destroywild - urban - ruralto pollute - to cleandanger - safemarvellous - digustingслово to clean 2 раза, поэтому wild без антонима.