Условие задания:
Read these sentences and fill in the gaps with the correct variant (must, mustn’t, have to, don’t have to, doesn’t have to or has to).
1. They be in a hurry, because they have got more than enough time.
2. I return these shoes. They are too small for me.
3. It's freezing outside, so we take a taxi now and not walk
Answers & Comments
2.have to
3.must