按要求完成句子。
[[QOrDeR]]What is he doing?(用sleep回答) He_____________.
【小题2】She is in the study.(对画线部分提问)____________is__________?
【小题3】The girl is watching TV.(改为复数句) The_________ watching TV.
【小题4】They are making a plane.(对画线部分提问)___________they_______?
【小题5】I’m singing.(改为一般疑问句)______you_________?