在Word编辑状态下，将正文中所有“internet explorer”改写为“Internet Explorer”，常选用编辑子菜单上的______命令；单击“工具”栏中的“______”按钮可以在光标所在处插入超链接。

A．“修订”

B．“替换”

C．“定位”

D．“粘贴”

Don’t keep silence! The head teacher is ___________a lot about that.

A．able to know

B．supposed to know

C．supposing to know

D．going to know