(1)What lesson do they have at 1:45 pm on Wednesday? ( ) A.Physics. B.Chemistry. C.History. D.Math. (2)Do they have lessons at 10:30 am on Thursday? ( ) A.Yes, they have. B.No, they don't. C.We can't know from the timetable. D.None of the above. (3)On Friday, a physics lesson begins at ______. ( ) A.9:10 am B.10:30 am C.1:45 pm D.3:00 pm