通读下面的短文，掌握其大意。然后，从每小题的四个选择项中选出可填入相应空白处的最佳选项。

     George and Margaret and their children  at 140 Davis Street,  the street from a small Dark. Their house is just off the main road. George usually goes to work by bus, but sometimes he goes  his car. The children usually go to school by bus.
     The Glenns’ house is  hidden among the trees. It has small bushes (灌木) planted around it. There is a fence  it and the house next door. It is a two-storey house,  the living room, dining room and kitchen (厨房) on the first floor, and the bedrooms and bathroom on the second floor.
     The Glenns spend a lot of time at home.  now they are at dinner. Conversation (谈话)at the Glenns’ house is usually lively at mealtime. The children are discussing trips they would like to take. Susan, who has never  on a plane, says, “I’d like to  a plane to California.” Henry, who is elder, thinks it would be fun to be on a , heading for adventure (冒险) in Africa. Teddy, the youngest child, says, “I want to go around the world on a train.” His elder brother and sister are still trying to  to him why this is not possible  their mother says, “Children, you’ve spent too much time at the table. Henry and Susan, go and  your homework. Teddy, it’s time you were in bed.”
     Soon there is silence throughout the . Teddy is in bed, Susan and Henry are in their rooms studying, and Mr. and Mrs. Glenns are in their living room,  George is sitting in his favorite (最喜欢的) chair, reading the paper and Margaret is sitting on the sofa, doing some sewing.