填空题

A—phone book
B—tools
C—calculator
D—message saving
E—phone setting
F—backlight setting
G—key lock
H—automatic redial
I—sound volume
J—ring type
K—voice mail
L—additional functions
M—own number
N—alarm
O—new message
P—network
Q—delete all
______工具箱 ______背景光设置