установите соответствие между основными путями достижения состояния биологического прогресса(основные пути эволюции)и их признаками
Признаки:
А)приводит к образованию новых мелких систематических групп
Б)совершенствование органов достигается путем частых изменений в строении и функции органов
В)затрагивает все уровни организации организмов
Г)приводит к образованию новых крупных систематических групп
Пути эволюции:
1)ароморфоз
2)идиоадаптация
3)общая дегенерация

Как будет во множественном числе родительном падеже слова: гостья и копна?

помогите пожалуйста...нужно к завтрашнему дню...Task1.Put the verbs in brackets into the correct tense.

1. When you (see) him last?- It (be) some days ago.

2. ”You (find) your book?”- “No! I still (look) fot it. I already (look) for it for 2 hours.”

3. If she (come) to school tomorrow, she (take part) in the competition.

4. “ You ever (spend) your holidays in the Crimea?”- “Yes, I … . I (be) there last year.

5. “When he usually (get up)?”- “He (get up) at seven o’clock.

Task 2.Choose the correct modal verb.

1. I looked everywhere for the book but I … find it.          A) couldn’t      B) mustn’t      C) shouldn’t

2. You … drive carefully on a busy road.                              A) can               B) should        C) may

3. I don’t feel well today. … I leave a bit earlier?               A) may              B) must           C) should

4. Yesterday I stayed at home because I … help my father.   A) can         B) must         C) had to  

5. You … use my dictionary as long as you like.                 A) must              B) may           C) have to

Task 3.Read the text and put the words in the correct form.

         Thanks to the Internet, we are now living in a _______(1) village. We have more _______(2) about other countries than ever before. We know as much about the_______(3) in the US as in Russia. _______(4) which is produced in one country will affect other countries, too. For example, nuclear power is not _______(5) only for one country but is an _______(6) problem. If we do not take action soon, the _______(7) of a nuclear disaster is very real. We should all ________(8) our rubbish- not hope ‘green’ people will do it for us.

          Some people think _______(9)resources will go on forever, but they won’t. We all have an_______(10) to protect the environment.