The boy ______ his friends was playing in the street when the earthquake happened. [ ]
We must pay attention to _______ the teacher carefully in class.
Do you know what in the room at the moment?
Lily, is this _________ ipad? –No, it’s not mine. I think it’s Lucy’s.
Where is Jack? I haven’t seen him for a long time.—He ______ HK with his family. I think he is having a wonderful time there.