Sure! Here are the answers to your questions in English:
What will you have for dinner tonight?
I will have dinner tonight.What time are you planning to wake up tomorrow?
I am planning to wake up at... (You can specify the time, e.g., 7 a.m.)What do you plan to do during the holidays this year?
I plan to... (e.g., travel, relax, study, etc.)When do you plan to do your homework?
I plan to do my homework... (e.g., in the evening, after school, etc.)
If you'd like, I can help you formulate more detailed answers or practice speaking!