单项选择题
W: Can I come to see you at 9:00, Professor White W: I’m sorry, Jane, but I’m giving my lecture then. What about one hour later
A.At 9:00. B.At 10:00. C.At 11:00.
A.Two thirds B.Two third C.Second thirds D.Second fifth
A.fixed B.fixing C.to fix D.to be fixed