Do you know how to log in to the system？（英译中)

I want to know how to put this in French.（英译中)

How nice of you to do that!（英译中)

Do you know the key to the problem？（英译中)

Denial, do you know how to register ______ the taxation bureau now？

听力原文：M: How are you doing with your plan？W: No one knows how to do the work correctly,

Do you know ________ in English？A.how say itB.how to say itC.how saying itD.how to saying