Put the verbs in brackets into the correct tense.
1)If you go to the clean-up day, I (come) with. 2)Unless we help endangered animals, they (become) extinct.3) If you recycled your paper, you(help) the envitonment.4) If acid rain falls in a lake, it (pollute) the water. 5) If we chop down the trees, animals (lose) their homes.6) If I were you, I (try) to recycle more glass. 7)If the temperature rises above zero degrees, ice (start) to melt.

Postcards always spoil my holidays. Las summer I (went) to Italy. I ( visited) museums and ( sat) in pubic gardens. A friendly waiter (taught) me a few words of Italian. Then he ( lent) me a book. I (read) a few lines, but (did not understand) a word. Every day I ( thought) about postcards. My holidays ( passed) quickly, but I (did not  send) any cards to my friends. On the last day I ( made) a big decision. I ( got up) early and ( bought) thirty-seven cards. I (spent) the whole day in my room, but I (did not write) a single card!

Hello. I want to tell you about my report about "Ecology and environmental problems"

Yes, I participated in the "voluntary Saturday" is an event where you come and clean the city streets and parks.
And so today I want to tell you about how you can reduce pollution all over the world. To do this, go to limited fuel for cars, stop littering on the streets, not to use plastic bags to stop cutting down forests does not pollute rivers and streams.I try less litter. That's all I wanted to say. Thank you.