听力原文:W: When is the library open on Sunday?M: From 9 a. m. to 5 p. m.Q: How long is th
听力原文:W: When is the library open on Sunday?
M: From 9 a. m. to 5 p. m.
Q: How long is the library open on Sunday?
(7)
A.7 hours.
B.14 hours.
C.10 hours.
D.8 hours.