Unit 1
Birds that live a long time ago and could not fly
Dodos
A ... is a person or animal that finds other people or animals by following the marks left by their feet or other signs.
tracker
We ... (have) a lot of fun at our birthday party yesterday.
had
Susan ... (cut) her finger while she ... (slice) bread.
cut/was slicing
Be quiet! The baby ... (sleep) in her bedroom.
is sleeping
When an animal does not exist anymore, we say that it is ...
extinct
A ... studies living things.
Naturalist
Joe ... (break) his leg two weeks ago.
broke
When I last ... (see) Mr Brown, he ... (water) the plants.
saw/was watering
She usually ... (take) the bus home.
takes
These animals looked like zebras with stripes only on the front of their bodies.
Quaggas
Animals that are endangered sometimes live in a ...
reserve
I ... (meet) my best friend George in 2005.
met
While I ... (study) this morning, John ... (drop) by to see me.
was studying/dropped
They ... often ... (listen) to classical music, but they ... (listen) to classical music at the moment.
don´t often listen/are listening
The place where an animal lives is called its ...
habitat
When a habitat is ... (destroyed) animals can not live there.
damaged
He was very thirsty. He ... (drink) two glasses of water.
drank
While she ... (read) the news, her brother ... (listen) to music.
was reading/was listening
What time ... she ... (come) from school every day?
does she come
Some people .... animals for their fur.
exploit
The number of animals that live in a particular place is called ...
population
Last night, I ... (be) very angry because they ... (be) late.
was / were
A: What ... you ... (do) this morning at 9 o´clock?
B: I ... (do) my homework.
were you doing/was doing
They usually ... (do) their homework in the afternoon, but today they ... (play) a soccer game.