1. I __ go to see the doctor last week because I was very ill. (a) must (b) must to (c) had to 2. I __ go now because I am already late for my class. (a) must (b) had (c) have 3. Do you __ clean the house every day or every week? (a) must (b) have (c) have to
1)had to
2)must
3)have to