vospennikovaelena
1) don't have to 2) Does your sister have to go to school today? 3) has to 4) have to 5) have to; do 6) doesn't have to 7) has to 8) have to 9) Do you have to... 10) has to 11) don't have to 12) has to 13) have to 14) Does he has to; yes, he does 15) have to
Answers & Comments
2) Does your sister have to go to school today?
3) has to
4) have to
5) have to; do
6) doesn't have to
7) has to
8) have to
9) Do you have to...
10) has to
11) don't have to
12) has to
13) have to
14) Does he has to; yes, he does
15) have to