B）请先阅读下面短文，掌握其大意，然后用方框中所给的词的适当形式填空，并将答案填写到相应位置。每个词限用一次。
kilometer，really，car，far，walk，but，should，they，happy，when，exercise |
Jim and Jane live near （在……附近） the school，but their father drives past their school to work every day.
So they go to school byevery morning.
It's twenty past seven.
"Come on，Dad!Wego now，" says Jim.
"I need to wash （洗） the car now，" their father says. "Youto school this morning，OK? "
"walking is tiring （累人的），"says Jane.
"Walking is good. Now get your schoolbag and go!"
Then Jim and Jane walk to school. It takesabout twenty minutes. they get to school，they are very tired.
In the evening，Jim and Jane talk with their mother after dinner. They say that they are notto walk to school. Their mother says， "That's good for you. I used to （过去常常） walk fiveto school every day. "
"? "Jane asks. "How long did it take you to walk so? "
"About an hour，" the mother says.
"Oh，we needlike you，" Jim and Jane say.
