A:That's all right.
B:That sounds good.
C:Yes, we do.
A .How old are you?
B .I'm ten,too.
C .I am ten.
D .My name's Mimi.
E .What's your name?
—It's ________. The weather here is very beautiful and I don't want to go home.
保护环境,人人有责.下列行为不会对环境造成污染的是( )