請選出下面劃線部分ear 讀音不同的選項（ ）
Since the road is wet this morning，last night（）.
A.it must be raining
B.it must rain
C.it must have rained
D.it must have been rained
George and Margaret and their children 21 at 140 Davis Street, 22 the street from a small park. Their house is just off the main road. George usually goes to work by bus, but sometimes he goes 23 his car. The children usually go to school by bus.
The Glenns’house is24 hidden among the trees. It has small bushes (灌木) planted around it. There is a fence25it and the house next door. It is a two-storey house,26the living room, dining room and kitchen (廚房) on the first floor, and the bedrooms and bathroom on the second floor.
The Glenns spend a lot of time at home. 27now they are at dinner. Conversation (談話) at the Glenns’house is usually lively at meal time. The children are discussing trips they would like to take. Susan ,who has never28on a plane ,says," I’d like to29a plane to California. "Henry, who is elder ,thinks it would be fun to be on a30 ,heading for adventure ( 冒險) 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 to31to him why this is not possible32 their mother says, “Children,you’ve spent too much time at the table. Henry and Susan, go and33your homework. Teddy, it’s time you were in bed. "
Soon there is silence throughout the34. Teddy is in bed, Susan and Henry are in their rooms studying, and Mr. and Mrs. Glenns are in their living room,35George is sitting in his favorite(最喜歡的) chair ,reading the paper and Margaret is sitting on the sofa ,doing some sewing.
Cats are creatures of habit. They like to go to sleep about the same time every day and for a certain length of time. They seem to have a natural clock inside them that tells them when to sleep.
Cats increase their regular sleep with occasional cat naps (打盹 ). Some experts feel that humans could also benefit from this habit. Cat naps help to build up energy in the body. They are also a good way to get rid of trouble ! Since cats have the same moods ( 情緒 ) as humans, some experts behave that people can improve their moods. People might become happier.
A number of famous people have copied cats by taking cat naps during the day. The naps would usually last from 15 to 30 minutes.
Winston Churchill took cat naps. So did Presidents Harry Truman, John F. Kennedy and Lyndon B. Johnson. These famous men were known for their energy. They were also able to work long hours, often into the night. Napping was their secret.
Perhaps more people learn from cats and take naps to feel better and live longer!