【简答题】Listen! Joan __________(sing) in the classroom. She often __________ (sing) there.
【简答题】Listen! Joan ______ (singing) in the classroom. She often ______ (sing) there.
【简答题】Listen! Joan ________ (sing) in the classroom. She often sings there.
【简答题】Listen to the conversation between Joan Yang and Tom Smith, the Foreign Trade Manager of Astone Company. Choose the answer to each of the questions according to what you hear.
【单选题】Listen! Joan __________ in the classroom. She often __________ in the classroom.