把下列句子合并为含有宾语从句的复合句。

1,He wants to know whether it is polite to smoke during a meal in France.

2,Can you tell her whether there are two or more courses for every meal in North America.

3,She asks whether she needs to add more sault.

4,He is not sure whether it is polite or not to speak loudly at the table in China.

5,Do you know whther it is impolite or not to put the fork on the left side of the plate.

祝你进步
请采纳答案，支持我一下。

My father wanted to know if the boy could play compute games.
Could you tell me where your mather goes?
望采纳！！