Use "used to" or "be used to"

Use "used to" or "be used to":
1.  They are used to / used to go to Da Lat in summer.
2. They are used to / used to playing soccer in the park.
3. I am used to / used to getting up early.
4. Tom is used to / used to do his homewwork in the evening.
5. Lan is used to / used to writing to Maryam.
6. He is used to / used to work at night.
7. Do they used to / Are they used to watching TV?
8. Is she used to / Did she used to playing badminton?
9. My father is used to / used to come home late.
10. She is used to / used to go swimming in the afternoon.