2 Choose the correct modal. 1 A: Have you seen Pam today?B: No, but I think she may/has to bevisiting the nature reserve.2 A: Would/Can I help you clean up?B: That would be great!3 A: We must/may all look after the planet.B: Yes, we can/should care for our world.4 A: You couldn't/mustn't talk in the library.B: Yes, you may/should be asked to leave.5 A:We needn't/mustn't revise the testhas been postponed until next month.B: But we still may/have to do our essays.Ex:3​