Complete the sentences using must or can`t with a suitable verb below to express a strong conviction that something is or is not true. get up,be,have 1.(the phone rings.)that must be david.he said he`d phone for a date 2.(the phone rings.)that laura.she`s on holiday. 3.he`s got three cars and two houses.he a lot of money. 4.he lives in one room and only eats once a day.he a lot of money. 5.they speak german to each other at home.they german or austrian. 6.he starts work at five o`clock in the morning so he early. 7.he starts work at five o`clock in the morning so he late.
3. must have
4. can't have
5. must be
6. must get up
7. can't be