Complete these sentences using cannot and have to/has to. 1. You ______ reach the island by land or air; you ______ go by boat.

Question

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 these sentences using cannot and have to/has to.

1. You __ reach the island by land or air; you __ go by boat.

1. We __ see bacteria with our eyes; we __ look at them through a microscope.

1. He __ have a new bicycle now; he __ wait till next year.

1. Old people often __ hear very well; they __ use a hearing aid.

1. Road users __ do what they wish; they __ follow the traffic rules.

1. She __ accept this decision; she __ question it.

1. You __ believe everything you hear; you __ use your own judgement.

Answer 1

1. You cannot reach the island by land or air; you have to go by boat.

2.We cannot see bacteria with our eyes; we have to look at them through a microscope.

3.He cannot have a new bicycle now; he has to wait till next year.

4.Old people often cannot hear very well; they have to use a hearing aid.

5.Road users cannot do what they wish; they have to follow the traffic rules.

6.She cannot accept this decision; she has to question it.

7.You cannot believe everything you hear; you have to use your own judgement.