听力原文:W: Well, this must be the National Library. M: I guess so. Oh no! I don' t think
听力原文:W: Well, this must be the National Library.
M: I guess so. Oh no! I don' t think it' s open today. Look. It says "Closed Tuesdays".
W: Well, we'll just have to come back tomorrow.
M: But we're supposed to go on that tour tomorrow.
W: Oh, that' s fight. I forgot all about it. How about the day after tomorrow then?
M: It' s OK with me.
When will they visit the National Library?
A.On Tuesday.
B.On Wednesday.
C.On Thursday.
D.On the weekend.