3. Sandra and her friend Rita are in the talking about their friend Carla. Read and complete the conversation with: How old, What, Who and When. Sandra: What day is it today? Rita : It's October 14th. Sandra: Is today Carla's birthday? Rita Sandra: No, it isn't. ....... (1) is her birthday? Rita : Don't you remember? It's next week. Sandra: Is she sixteen? Rita : No, she isn't. Sandra: .............. (2) is she? Rita : She is fifteen. Look! Carla is coming. Sandra: Yeah!.............. (3) is she with? Do you know her? : Yes, she's with Ana. Rita A​