听力原文:W:Professor Hook was so strange today.M:I noticed that, too. He was talking so qu
听力原文:W:Professor Hook was so strange today.
M:I noticed that, too. He was talking so quietly and then not giving us any homework at all. Can you believe that?
Q:What can be inferred about Professor Hook?
(17)
A.He usually talks quietly.
B.He usually assigns homework.
C.He didn't teach class today.
D.He noticed that the students didn't do their homework.