Task 1. Use present perfect. 1. He ….. (not clean) the room. He has not cleaned the room. 2. Mary …. (wash) her hands. 3. Mum and dad …. (visit) me. 4. Oleg … (not drive) a car this week. 5. It's my birthday party today. I (not invite) many people. ЗАДАНИЕ ЛЕГКОЕ НО Я ПРОСТО НЕМНОГО ТУПЛЮ ЕСЛИ НЕ ТРУДНО СЯБКИ ЗАРАНИЕ:

1- Why are you crying?
  - I'm not crying. I never cry.
2 It was raining the whole night long, but now it's not raining.
    The sun is shining brightly outside (=out of doors), but a cold wind is      blowing. 
3 Oliver used to ride on horseback when he lived in the country. Now he lives in town, but he often recallects (recalls) those days.
4 - What will you be doing tomorrow at 4?  (=at 4 pm?) (=at four o'clock?)
   - I don't know. I think I'll be swimming in the swimming-pool, but maybe
      I'll be playing basketball.
5  - Mum is coming tomorrow.
    - I know. I was tidying the flat the whole day yesterday.
6  - Where did you buy this CD? 
    - I don't remember. But I hear they sell them everywhere.
(Дословно: But I heard they were sold everywhere.  Можно и без согласования времён, так как они есть сейчас в продаже: I heard they sell them everywhere. Но чаще говорят I hear см. первый вариант)
7 Nicola never eats meat. She's a vegetarian.
8 If you come on time we'll be having dinner at that time and you'll be able to join us. (=and you could join us)
9 Mary is (=will be) 16 tomorrow. She is going to have a birthday party. Will you come?