You can detect spelling and grammar errors by :
APress F7
BPress Shift + F7
CPress Ctrl + F7
DPress Alt+F7
APress F7
BPress Shift + F7
CPress Ctrl + F7
DPress Alt+F7
Related Questions:
_____ letter can be typed in one inch with Elite type head.
(1) 12
(2) 10
(3) 8
(4) 14