Save : use less electricity and gas.

Floods, hurricanes, storms and tsunamis are natural .

Winter is the shortest in the school year.

Green Peace is an organization.

These plants have in them, so don't touch them! You will get poisoned!

What countries have weapons?

Moscow is a city with of over 10 million people.

Industrial was dumped into the local river.

This medicine will help to this illness.

Platypuses (утконосы) are very strange and unusual .

On Sunday we went an a day trip to London. It (was raining) when we (started) and a strong wind (was blowing). But when we (arrived), the rain had already (stopped) and only little white clouds (were flying) across the sky. We (were) sure we (would have) a wonderful day. And we (did). We (visited) the National Gallery and (felt) quite happy. After that we (saw) a colorful procession (walking) along the Mall. At 2 o'clock our group (was) in the Tower of London. There we (were told) a lot of legends: about the ravens who (live) there and about the kings and queens who (had lived) there. It had already (become) quite hot when we (left) the Tower. So, our teacher (lead) us to Hyde Park where we (found) some shady place and (watched) the ducks (floating) in the water.

1. Mary has typed a lot of documents. 2. Megan has seen many places. 3. Mr. Tompson has made many good films. 4. Sarah has translated a lot of foreign novels. 5. Mrs. Stone has written ten novels and twenty short stories.

1. It has'n been... . Has it been...? 2. They haven't been... . Have they been...? 3. Sam hasn't been... . Has Sam been...? 4. He hasn't been... . Has he been...? 5. Mr. White hasn't been... . Has Mr. White been...?

1. He must be in his cabinet now. 2. May I come in? - Yes, please. 3. You must read this text. 4. May I ask you? - Yes, please. 5. I can't go to the cinema with you, cause I'm very busy.

1. Teacher said us to go home. 2. My mother said me to buy meat in the shop. 3. Alice said her friend lived in London. 4. The teacher said to me I had not done the work well. 5. I said to Nick where he was going. 6. I said to Boris if his friend lived in Moscow.