1. complete the sentences with have to and has to. 1.a sociable and polite,doesn't he? 2.it's hot and sunny.so my flowers every morning and afternoon. 3.do a uniform at school? 4.my to school on saturdays.he has got 5 lessons. 5.do all these exercises? they are really boring. 6.alice doesn' her pets.her mother has already fed them. 7.does each english at the explorers' club?