Complete the sentences with have to and has to
1.A manager ... be sociable and polite, doesn't he?
2.It's hot and sunny. So I ... water my flowers every morning and afternoon.
3.Do they ... wear a uniiform at school?
4.My friend ... go to school on Saturdays. He has got 5 lessons.
5.Do I ... do all these exercises? They are really boring.
6.Alice doesn't ... feed her pets. Her mother has already fed them.
7.Does each member ... speak English at the Explorers' Club?