Who opened the window?Who are you calling now? Which of your brothers is going to be a doctor?Let's play football, okay?It won`t rain today, will it?Can I and my girlfriend do our homework at her house tonight?Do you really need to take this medicine?Who will we invite to our holiday?2.A: I've never been in the mountainsB: Not have I. Let's go there in the summer?A: Good idea. And who will we invite? Masha can`t go. Olya can`t either.A: Is Lena interested in mountains?Q: I know Lena loves travelling. As well as her brother.A: Then let's go with them, okay?B: I'll call them as soon as I have time, and talk to them about the trip.