按要求改写句子。
[[QOrDeR]]CDs, whose, those are,?(连词成句)
__________________________________
【小题2】The children aresinging and dancing.(对划线部分提问)
__________________________________
【小题3】What a mess!(译成汉语)
__________________________________
【小题4】Be quiet.(译成汉语)
__________________________________
【小题5】这是Ken的电脑。(译成英语)
__________________________________