听下面5段对话或独白。每段对话或独白后有几个小题，从题中所给的A、B、C三个选项中选出最佳选项，并标在试卷的相应位置。听每段对话或独白前，你将有5秒钟的时间阅读各个小题；听完后，各小题将给出5秒钟的作答时间。每段对话或独白读两遍。 What will the weather be like in most of North China

A． Every day.
B． Every second day.
C． Every last day of the week.

A．the Professor had made a mistake
B．he had not written the essays according to the directions
C．he was too confident
D．he was always careless