Complete the sentences with suitable words

Exercise 3: Complete the sentences with suitable words.

crowds

graffiti

green spaces

pollution

power cut

public transport

rubbish

rush hour

traffic jam

Anna: Have you seen that new (1) ....... on the wall of Central Tower? It's an amazing work of art! 

Nathan: Yeah, I don't like it. I think it makes the city look untidy. And if that isn't bad enough, people still don't use bins and leave their (2) ......... on the streets. 

Anna: Oh, I love it! But I know what you mean about the city looking untidy. We need more (3) ....... to make it look more beautiful and natural. 

Nathan: Yeah, but what can we do about (4) .........? The air is really dirty!

Anna: I know! There are too many cars on the road - I'm always in a (5) ............trying to get home. 

Nathan: Don't remind me! When I leave work at 5 pm, it's (6) ...........driving then is the worst! 

Anna: I agree, but it's the same when you use (7) ......... - there are (8) ........ of people everywhere waiting for buses and trains. You can't move! 

Nathan: It was like that last week. There was a (9) ....... for a few hours - no street lights, no trains or buses. People didn't get home until 10 pm!