【题目】Who just knocked the door?
A.Their neighbor.B.Their daughter.C.The delivery boy.
在线课程【答案】C
【解析】
M: I thought I heard someone knocking at the door.
W: Just the delivery boy with a package for our neighbor. She and her husband are visiting their daughter in Canada, so I’ll keep it until they get back.
此题为听力题，解析略。