Unit15-16

We ... recycle glass.

We ... use bicycles instead of cars

We ... chemicals in rivers.

We... cut down trees.

Father ... them from the flood.

There's a problem with the ... on our boat.

They have ... chemicals into the river.

The destruction of ... can cause flooding in many areas.

A lot of dolphins die in fishing ... every year.

Look. That man is going to jump off the ... .

Someone's ringing the ... .

Press this ... and motor will start.

Don't forget to sent me a ... fro Peru.

All you have to do is press this ... .

Will you water my plants please?

I'll travel to India ... .

Choose the right sentence