1, I chose 4 because it was written by 4. 1 is too casual. Choice 2 depends on the occasion. There are two other occasions. But on the whole, 4 is the most polite, and you have apologized. Of course, you should be serious.

Wan Li Great Wall, Guangke, Guangke, Guangke, Guangke, Guangke, Guangke, Guangke, Guangke, Guangke, Guangke.

Now let's try to simplify it.

I can hardly do it in a private day.

5 National Library?にはどんながぁりますか?

On weekdays, it is quiet, quiet and a rest day.

7 Private Shanghai is good. にぎやかできれいですから。

Private はよくクラシックのコンサートをきに?.

Nine o'clock sharp.

10 no problem

1 1 No problem

Translation itself is the work of different people, and many expressions are possible.