----Hi, Linda, are your parents teachers?----No, they are police. They work at the ______.
-What do you often do on weekends? -Our family like to drive _______________ to enjoy ourselves.
-Let’s go to the Children’s Home. -Wait a minute. I think we should _____________ the old toys and books one more time.
-What does Yu Gong Moves a Mountain tell us? -It tells us we will never give up _________ there are difficulties in front of us.
-How do you know I’ve just come back from the beach? -There is _____________ sand in your shoes.
-It rains again! -Yes. The weather in Chongqing this summer is much cooler than _______in Chengdu.