Look at these sentences.
- Animals cannot survive for long without water.
- So desert animals have to find different ways of coping.
The first sentence says what cannot happen or be done; the second tells us what must, therefore, be done, what it is necessary to do. Complete the sentence using cannot and have to/has to.
He ______ have a new bicycle now; he______ wait till next year.
He cannot have a new bicycle now; he has to wait till next year.