He’s riding his bike, but it starts to rain.现在进行时图话练习A:What are they doing now?B:Are they …...?B:Are they dancing?A: Yes, they are .No, they aren’t.A: What is it doing now?B:Is it …...?B: Is it drinking?A: Yes, it is.No, it isn’t.A:What is she doing now?A:No, she isn’t.B:...