G6 U3 15P - 3 "can" 20Q

Cats ___________ see in the complete darkness

• can

• can't

A big crocodile ____________ kill a human

• can

• can't

The ostrich is a bird, but it _________ fly

• can

• can't

_________ human understand animal languages?

• can

• can't

Animals _________ survive without water.

• can

• can't

Bats aren't bird, but they _________ fly

• can

• can't

Crocodiles __________ climb trees.

• can

• can't

_________ some scorpions kill a human?

• can

• can't

Whale _________ survive on land.

• can

• can't

snakes have no legs, but they _______ move fast

• can

• can't