What is it?
It's an endangered animal.
What is it?
It's litter.
What is it?
It's rubbish.
What kind of pollution do plants cause?
They cause air pollution.
What kind of pollution do factories cause?
They cause water pollution.
Say the word...
traffic jam
Say the word...
renewable energy
What is she doing?
She is cleaning up the beach.
What have they done?
They have recycled plastic bottles.
Complete the sentence:
There _________ (not be) tall buldings.
didn't use to be
Complete the sentence: There _________ (be) boats.
used to be
Complete the sentence: The lake _________ (be) a glacier.
used to be
What are they doing?
They are voting (for president).
Complete the sentence: When he arrived, the meeting ____________ (start).
had started
Complete the sentence: By the time, he got to the station, the train ____________ (leave).
had left
Complete the sentence: He _________ (arrive) at the church after they had gotten married.
arrived
