Subject : present perfect vs present perfect continuous a) use present perfect continuous tense to fill in the blanks:
1. i’m tired, because i have been working (work) very hard.
2. he (write) letters all morning.
3. catherina is getting fatter because she (eat) too much.
4. my mother (peel) the potatoes all afternoon.
5. cathy (attend) a cookery course since march.
6. how long you (learn) english?
7. where are my eye-glasses? i (look) for them for an hour.
8. charles (escape) from the police for years.
9. how long you (use) a computer?
10. elizabeth (live) with mike for three years.
11. she (earn) quite a lot of money for the last two years.
12. it (rain) fro six hours.

ответ:

2. he has been writing (write) letters all morning.

3. catherina is getting fatter because she has been eating (eat) too much.

4. my mother has been peeling (peel) the potatoes all afternoon.

5. cathy has been attending (attend) a cookery course since march.

6. how long have you been learning (learn) english?

7. where are my eye-glasses? i have been looking (look) for them for an hour.

8. charles has been escaping (escape) from the police for years.

9. how long have you been using (use) a computer?

10. elizabeth has been living (live) with mike for three years.

11. she has been earning (earn) quite a lot of money for the last two years.

12. it has been raining (rain) for six hours.

the kremlin itslef wasn't called the fire. that was the name of the red square until 17th century because of numerous cases of fire that took place in and near kremlin and other neighbour buildings.

the floors are being cleaned этажи чистятся