Задайте вопросы к подчёркнутым словам: 1. I'll phone him (tomorrow). 2. He'll (buy a present) for his mother in two days. 3. Mum will make a (nice cake
soon). 4. Perhaps we'll (have lunch) together. 5. She'll (play the piano) next time.

What* во втором предложении

Это правильные предложения?!

Если нужно,чтобы ответом на вопросы служили слова в скобках, то да

1. When will I phone him?2 What will he buy for his mother in two days?3 What will mum make soon?4 What will we perhaps do together? 5. What will she do next time?