В мире существует около 10 миллионов видов насекомых. Эти маленькие создания живут в наших домах и садах. Некоторые из них, живут рядом с водой, в полях, парках, и в лесах. Некоторые насекомые выходят в течение дня в то время как другие, выходят только по ночам.
Насекомые и правда очень важны. Они сохраняют наши сады чистыми потому, что они питаются погибшими листьями и другими отходами. А сами они также являются важной пищей для птиц и других животных. Некоторые насекомые, например, пчёлы, даже производят еду - мёд.
2. must
3. mustn't
4. don't have to
5. mustn't
6. must
7. must
1. Where's Ivan? He has left for Novgorod. When did he leave? He left a couple days ago. I've nrver been to Novgorod.
2. Have you ever been to the Crimea? Yes, I have. When were you there for the last time? Last year.
3. Where's Nickolayev? Why hasn't he come to the Institute? I haven't seen him today. I'm afraid, he has become ill. Nickolayev is here. He's has just left for the lecture. The lecture has already begun. When did it begin? Some minutes ago.
<span>4. Have you ever been to the Bolshoi Theatre? Which operas and balleys have you seen there? When hav you been there for the last time? What have you seen?
5. I haven't received any letters from my parents recently. When did you get the last letter? A month ago. I've already sent them several letters.
6. Let's go to the restaurant, I invite you. I haven't had supper yet. When did you have supper yesterday? Very late.</span>
1 - clown
2 - cats
3 - sing
4 - dogs
5 - ping
6 - fun
7 - joy
1 -клоун
2 - кошки
3 - петь
4 - собаки
5 - свистеть
6 - веселье
7 - радость