The water in rivers is even_________ than before. Something must be done now.

I’m sorry I ____ your MP4 at home.— That’s all right. Don’t forget ____ it to me tomorrow.

The experiment has____ the possibility of the existence of any life on that planet, but it does notmean there is no life on other planets.[ ]

The boy is good at _____ jokes and he often makes us______.

A smartphone makes a big to our life.