7. — _______ you _______ (have) lunch now? — No, we _______. We already _______ (have) lunch. — What _______ you _______ (do)? — We _______ (help) our friends to plant the apple trees.

Решение:

1. — Are you having (have) lunch now?
2. — No, we aren't. We already have had (have) lunch.
3. — What are you doing (do)?
4. — We are helping (help) our friends to plant the apple trees.

Ответ: Are; having; aren't; have had; are; doing; are helping.