听力原文:M: When do you think Miss Harris will be back?W: When she left at 5:15 she promis
听力原文:M: When do you think Miss Harris will be back?
W: When she left at 5:15 she promised to be back in 20 minutes.
Q: When will Miss Harris return?
(18)
A.5:35.
B.5:15.
C.5:30.
D.5:20.