Помогите решить
Match the words (and phrases) which have opposite meanings
1.to prohibit
2.to protect
3.to pollute
4.to throw
5.to drop litter
7.to be in danger
6.to avoid doing something


a)to damage
b)to clear rubbish away
c)to be out of danger
d)to allow
e)to enjoy doing something
f)to clean
g)to catch