5 Complete the words in the dialogue. Sue: Hi, what are you doing? Tom: We're collecting rubbish. We're going to take it to the recycling centre tomorrow. You really should help us Sue: I'll think 'a__________ it. I want to go swimming today. Tom:: You can go swimming tomorrow. You really should help-it's __________ Sue: I'm not s__________ Tom: Yes, it is, and it's bad for the environment!