Question

СРОЧНО!!! ДАЮ 60БАЛЛОВ!!!

Answer 1

Ответ:

2. has been riding

3. has been doing

4. have been watching

5. has been running

6. have been attending

Объяснение:

Present Perfect Continuous ( He/She/It + has+ been+ V+ ing) , (We/They/You + have+ been+ V+ ing)