_____ clear from his manners, he seemsto be much of a scholar.

No matter who you are and what are you, ________， we should remember that “being” and “doing” are much more important than “having”.[ ]

We want such materials ________ can bear high temperature and pressure.

On their way to the reception building, all the athletes were amazed _______ so many volunteers ____their help. [ ]

It’s raining heavily outside. Tell him the window.