simple present or the future continuous! please help me

Kelas: SMA
Pelajaran: English
Kategori: grammar review
Pembahasan: 

1. If you phone him at this time tomorrow, he will be visiting his aunt.
2. If you arrive there early, they will still be having breakfast.
3. When he comes after 9 pm tomorrow, she will still be sleeping.
4. If you go there later, Mr.Smith will be taking his usual afternoon nap. 
5. Tuti will be taking a bath if Herman calls her tomorrow at 3 pm.