31 E Why don't you come along?
32 D I have a dance lesson then.
33 B Are you busy on Saturday afternoon?
34 C Sure, why not?
35 A At 5 o'clock.
The Wolf didn't drink the dirty water.
The Sheep didn't make the water dirty.
The Wolf didn't meet the Sheep before.
The Sheep didn't come to the river a year ago.
She - Mary
He - Tom
It - ball
They - puppies
Если по примеру, как здесь, то - They are cows.
Но я бы лучше ответила по другой конструкции, так как корова будет третье лицо в английском. - It's a cows.
Explorer
adventure
sail
national