object求造句，造五个宾语从句

Could you tell me who knows the answer，please？你能告诉我谁知道答案吗？
The small children don't know what is in their stockings．这些小孩子不知道袜子里有什么东西？
He asked whose handwriting was the best in our class．他问我们班上谁的书法最好。
The teacher asked us how many people there were in the room．老师问我们房间里有多少人。
He hasn't decided if he'll go on a trip to Wuxi．他还没决定是否去无锡旅行。
Could you tell me what I should do with the money ？你能告诉我我如何处理这笔钱吗？