"What ___ tomorrow?" — "I normally ___ the shopping on Sundays."

1. The first part of the sentence uses 'tomorrow' with a question about a planned action, suggesting Present Continuous.

2. The subject is 'you', so the auxiliary verb is 'are'. The verb is 'do'. The question is 'are you doing'.

3. The second part describes a routine action ('normally on Sundays'), so Present Simple is needed.

4. The subject is 'I', so the verb is 'do'. The answer is 'do'.

5. Combined answer: 'are you doing', 'do'.