听下面5段对话或独白。每段对话威独白后有几个小题，从中所给的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。
Where does this conversation take place

At what time does the office openA． 7:45 B． 8:15 C． 8:0...

单项选择题At what time does the office open

______ is the population of ChinaA．How muchB．How manyC．...

单项选择题______ is the population of China

Xiao Ming dislikes learning English, ______A．doesn't he...

单项选择题Xiao Ming dislikes learning English, ______