按要求写句子。
1.I want to go to Hong Kong.(改为否定句)
_______________________________________________
2.There are many flags.(改为一般疑问句)
_______________________________________________
3.You should do it.(改为否定句)
_______________________________________________
4.Do you want to go to UK? (肯定回答)
_______________________________________________
5.Many countries give presents to the UN.(就划线部分提问)
_______________________________________________