1.I spent a whole day to clean the house .
I spent a whole day on cleaning the house .
2.I spent 10Yuan on the pen .
I spent 10 Yuan to buy the pen .
3.listen !there are many birds singing in the tree .
4.he hardly dare to come out.
5.yesterday father took me to the great wall .
6.he has not played computer games since he entered school .(一般完成时)
敲了那么久,希望对你能有所帮助
参考资料:非英语专业六级