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We're not doing enough to protect the environment from the harmful effects of___________.

You can _______ plastic bags again and again until they get holes in them.

The Japanese _____________ more than half their waste paper.

Choose the correct variant:

If we don’t protect …, they will disappear forever.

Mark the correct variant:

You should care about the ...

If we only (use) the water we need, we (contribute) to our planet's recovery.

We (save) thousands of trees if we (waste) so much paper.

If we (recycle), we (help) our planet.

If he___( to polute) water, he___(to do harm) to the environment.

Our streets______ (to be clean) if you_____( not to litter).

If Bob and Bill____(to clean up) after picnics together with their friends, Ann____(to invite) them to the party next Friday.

Kate ____(to meet) you, if you____(to be) here tomorrow.

If people______(to stop) throwing rubbish into the local river, clean water____(not to be) a problem in this town.

They_____(to visit) the London Eye if she____(to come) to London next week.

Animals _____(not to be) in danger if we_____(not to cut down) the trees.