（1）The lost and found office is

.
A.small
B.big
C.new
（2）The lost and found office is in the

.
A.office building
B.dining hall
C.school library
（3）There are

books at the lost and found office.
A.eight
B.twelve
C.fifteen
（4）The lost and found office is open for

.
A.half an hour
B.an hour
C.two hours
（5）The lost and found office is closed on

.
A.Monday
B.Friday
C.Saturday