Тут нет слов из 3 упражнения. Поэтому ответить не могу
1.Mark three words wich take the prefix UN-
1.happy - unhappy
3.usual- unusual
4.friendly- unfriendly
2.Choose three sentences with Present Tenses
3)She is worked here since 2004
5)His parents are having lunch at the moment.
6)Does he run marathons ?
1. Have you ever gone to Minsk by plane?
2. Where were they last night? I phoned them, but nobody answered.
3. What is John doing now? - He is listening to rock music in his room.
4. My English friend has never seen the sights in St. Petersburg. He's just arrived from Scotland.
5. How well does your English friend speak Russian?
6. We're speaking English to each other now.
1.m.o..rning
2. ..a.rm
3. h.o.rse
4. st.a..r
5. p...arty
6. t.o..rtoise
7. unif.o..rm
8. ga..rden