IELTS Expert 5 _ Langauge Development

We have to go (over / across) the street to leave our rubbish.

They can't go (back / into) home because the flood damaged their houses.

The water can't flow freely (under / back) the bridge because there is too much rubbish.

A lot of pollution comes from the road which goes right (across / round) the city.

This is the first stage (across / towards) creating a cleaner city.

The article had a photo of birds walking (down / over) a street, unable to fly because of air pollution.

Driving slowly (through / over) a city is bad for air pollution.

We need to get (back / away) from the city because it's too polluted.