not too to do sth造句

1.It's not too late to fix the problem, although time is clearly getting short

虽然时间越来越紧迫，但现在处理这个问题还为时未晚。

2.It's not too much to ask of you to clean your own shoes.

让你刷自己的鞋，这要求并不过分。

3.Are you sure it's not too late to go?

你确定我们现在去不晚吗？

4.You know, it's not too late to cancel.Why would we do that?

现在取消约会还不晚为什么要取消