13．听下面一段独白．独白后有5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．听独白前，你有时间阅读各个小题，每小题5秒钟；听完后，各小题将给出5秒钟的作答时间．该段独白读两遍．
21．Where does the monologue （独白 ） probably take place？
A．In a classroom．
B．In a post office．
C．In a lost and found office．
22．Whose keys are lost？
A．Jack's． B．Alice's． C．Cindy's．
23．Who is Jack？
A．He is a teacher． B．He is a worker． C．He is the monitor．
24．When will the class have a party？
A．On Monday． B．On Tuesday． C．On Wednesday．
25．How many kinds of things are the students asked to do？
A．Three． B．Five． C．Six．
