It is Saturday morning. My father is ____  the car.  I am ____  him. My mother is ____  ____   in the kitchen.  Helen is ____ the living room. She is ____  the floor. Where is Tim? What is he doing now? Tim is in his ____ .He is ____. Ben's dog is sleeping too.

比一比，再组词。

某市有5500名学生参加考试，为了了解考试情况，从中抽取1000名学生的成绩进行统计分析，在这个问题中有下列4种说法，其中正确的是（　　）