人类砍伐树木,因此动物处于极大的危险之中.
People many trees, so animals are in great danger.
It's very (polite) to talk loudly in public.
Subways make our lives (easy) than before.
Now many wild animals are in (dangerous). We should protect them.
To my disappointment, the new movie is so (meaning).
Most people don't like (rain) days because they make people feel sad.