Sure! Here are the completed sentences:

1. The plane **leaves at** 5 o'clock tomorrow morning.
2. I **will take** a lot of photos when I go **on** holidays.
3. Tom **always does** morning exercises after **he** gets up.
4. My aunt is very fond **of** cooking.
5. My sister's hobby **is doing** outdoor activities.

If you need anything else, feel free to ask!