Ответ:

1.

1) has been 2) has been 3) have been 4) has been 5) has been

6) has been 7) has been 8) has been 9) has been 10) have been

2.

1) The English Training Center has been growing since last year.

2) They have been working hard since yesterday

3) Our grandparents have been travelling for 14 days

4) The fire has been destroying the forest since 3 p.m.

5) Jane has been working as a volunteer for a long time

Объяснение: