тут легко Rewrite the sentences, using the word in brackets. For example: A: It's not necessary to take the tent. (need) We don't need to take the tent. We're not going camping again.
1. The hotels will be full, possibly. (might)
2. Then it will be necessary to sleep in the car. (must) B: Well, I think we've got everything we need, what's in that paper bag?
3. I'm sure it's the sun cream we got in Brighton. (must)