1, Choose the right tense form.

1. Dave (has been learning/has learned) English for 2 years.

2. The birds (have already flown/have been flying) to the South.

3. Mary and Sam (have known /have been knowing) him for many years.

4. Nina (has forgotten/has been forgetting) to learn the poem.

5. We (have been watching/have watched) cartoons for 2 hours.

6. The train (has just come/has been coming).

7. The children (haven’t been having/ haven’t had) a holiday for 5 years.

8. She (has been teaching/has taught) at this school for twenty years.

9. Mike (has been painting/has painted) in his studio since 10 o’clock.

10. They (have collected/ have been collecting) stamps for 3 years.

11. David (has been/ has been being) a student for 2 years

3. Поставь глагол в скобках в Present Perfect или Present Perfect Continuous.

1. My brother (to do) his lessons since morning.

2. We (not to hear) about him for a long time.

3. She (to drive) since I was 17.

4. My cousin (to fail) his driving test three times because he doesn't know how to park.

5. My mother thinks I (make) a lot of improvement.

6. My sister (worry) about this for two months.

7. I (to have) a headache since I got up.

8. She is my friend, I (to know) her for a long time.

9. He (never to hear) that song before.

По каким предложениям можно рассказать о водах суши и их особенностях? Запишите номера предложений в порядке возрастания.

2. Одним из важных источников водоснабжения являются подземные воды. Причём с этой целью используются не грунтовые воды, расположенные ближе к поверхности, а межпластовые, потому что они чище, их уровень меньше подвержен сезонным колебаниям. Объясните, почему из-за близости к поверхности грунтовые воды менее чистые и почему их уровень более подвержен сезонным колебаниям.

Объяснение:

ответ:English is a very popular language in the business world.

This is language of many famous writers, like Jack London and Dan Brown.

In our time English is the most common language during trips to other countries.

English has rules, which are very different from Russian, so it will be very useful to know something new.

If you travel in some beautiful places, like Cyprus, Jamaica, speak English, and everybody will understand you there.

This is a very useful to learn different languages, but start from English.

English was created from French and German long time ago.

A lot of musical bands and popular singers from many counties sing in English.

Learning of foreign languages helps to develope our brain and different skills.

The most of interesting scientific information you could find in Internet in English.

Объяснение: