Did you have a chance to do any sightseeing ?

你有没有出去游览的机会？

If we have a chance to do all again.

如果我们有一个机会再做所有。

Did you have a chance to do any sightseeing?

你有没有出去游览的机会？

It happened so suddenly that I didn't have a chance to do anything for her.

发生的如此突然以至我没有机会为她做任何事。

Have a chance to do it in these two scenic regions which are pretty far away from each other!

尽管这两处风景区离得很远，但是如果有机会的话也要去分别领略一下。