填空题
A—Danger
B—Don’t Disturb
C—Handle with Care
D—Exit
E—No Garbage Here
F—No Parking
G—No Photograph
H—Entrance
I—Silence
J—Caution
K—No Admission
L—No Littering
M—Keep off the Grass
N—Cash Desk
O—Booking Office
P—Don’t Touch Exhibits