Complete the sentences, underline the right variant. 1 the children ( don't have to/ didn't have to) get up early now. it's summer. 2 i have already watered he plants , you ( don't have to/won't have to) wather them in the evening. 3 the students (have to/had to) do a lot of homework every day. they are going to have a test in a week. 4 my grandma ( have to/has to) wear glasses. she can't see well.
2)don't have to
3)have to
4)has to