1)who protects the animals on our planet? - people
<em>a dog drinks </em>
<em>a crocodile sees</em>
<em>a worker makes</em>
<em>two workers make</em>
<em>that horse drinks</em>
<em>the children run</em>
<em>the woman works</em>
<em>these pupils come</em>
<em>how many kittens</em>
<em>a cat plays</em>
<em>this bird eats</em>
<em>these birds eat</em>
<em>the man cooks</em>
<em>the men cook</em>
<em>how many men</em>
<em>women work</em>
<em>this pupil comes</em>
<span><em>how many bags</em>
</span><span>
</span>
Discovered-discovered
sailed-sailed
was/were-been
interested in-interested in
appeared-appeared
prepared-prepared
smoked-smoked
depended on- depended on
fought-fought
sold-sold
надеюсь, это то что надо