Fill in have to, has to, don't / doesn't have to, had to or didn't have to.
1) Ihad a headache, so l ... take some medicine.
2) Mike's car doesn't work, so he ... take a bus.
3) We went to a cafe yesterday, so my Mum ... cook.
4) It rained two days ago, so l ... water the flowers in the garden.
5) Ann and her sister ... wear glasses.
6) The children aren't going to school today, so they ... get up early.
7) Tom feels better now, so he ... stay in bad.