【单选题】There is a _____ running track in our school. [ ]
【单选题】Insert special characters, such as the trademark symbol, by clicking the ____ tab, clicking the Symbol command, then clicking More Symbols.
【单选题】Delete an existing worksheet by right-clicking the worksheet’s tab and clicking ____.
【单选题】●You can cut,copy,and paste information quickly by clicking (67) bar buttons with the mouse. (67)