Past progressive and past simple

the camel ... on the sand

• was walking

• were walking

the sea creatures ... plankton

• was eating

• were eating

the polar bear ... fish

• was catching

• were catching

an anglerfish ... at the bottom of the ocean

• was swimming

• were swimming

all the animals

• was dancing

• were dancing

was the orangutan swinging through the trees?

• yes, it was

• no, it wasn't

was the seal walking underwater?

• yes, it was

• no, it wasn't

were the honeybees flying around a flower?

• yes, they were

• no, they weren't