Mia: Sorry, I missed that. Can you repeat it?

Ethan: __________ I said we can walk to the restaurant from here.

Mia: Great! Let's walk.

The police officer __________ traffic at the busy intersection.

Air pollution __________ after the city banned old buses.

The city added more streetlights to make roads safer and prevent __________.

The government __________ people to take public transport to reduce traffic.

Where __________ the children __________ when the parade started?

There were __________ large puddles on the streets that pedestrians had to walk carefully.

I __________ the old part of the city for a few hours yesterday.

She __________ in a cafe when she heard a loud noise from the street.

The air quality was __________ polluted that people had to wear masks outside.

a. Grace: That's why the air feels so heavy. I wish more people used bikes.

b. Henry: The traffic here is crazy. I can see smoke coming from cars all day.

c. Henry: Me too. It would make the city much cleaner.

a. Amelia: My white shirt looks gray after one day outside.

b. Amelia: I have to wash my clothes more often because of it.

c. Samuel: Yeah, the dust from all the traffic is everywhere.

a. Chloe: They should clean them more often.

b. Hannah: I know! Some of them even smell bad inside.

c. Hannah: And maybe get some new ones, too.

d. Chloe: The buses here are always old and dirty.

The health department is in charge for making sure the city's water is safe to drink.

What were you looking at when you walk through the city park?

The children were playing in the park so their parents were talking.

There were such many people that it was difficult to find a seat on the bus.

The city center / be / busy / that / it / be / hard / find / quiet spot.

There / be / a terrible smell / that / we / have to / leave / the area quickly.

They / clean / the streets / while / I / walk / home yesterday.

The workers / build / the new bridge / all day long.