—Excuse me. Is the library open all day?
问题:
—Excuse me. Is the library open all day?
— . Only from 9 a.m to 4 p.m.[ ]
A. Yes, of course
B. That's right
C. Sorry, I'm afraid not
D. Sorry, I'm not sure
—Excuse me. Is the library open all day?
— . Only from 9 a.m to 4 p.m.[ ]
A. Yes, of course
B. That's right
C. Sorry, I'm afraid not
D. Sorry, I'm not sure