ПОМОГИТЕ ПОЖАЛУЙСТА !!!

Complete the sentences (1-4) with the given words (A-Д).

1. He had been ___ for 8 hours before he got tired.

2. ___ you been sleeping until the noon?

3. What had you been ___ before you turned off the TV?

4. I ___ been doing anything before you came.

A. worked

Б. watching

В. hadn’t

Г. working

Д. Had