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 reduce
to share - to common
to encourage - to despair
to improve - to worse
to build - to destroy
wild -
urban - rural
to pollute - to clean
danger - safe
marvellous - digusting

слово to clean 2 раза, поэтому wild без антонима.