Green trees could ________ on both sides of the street．

1. A.
   be see
2. B.
   see
3. C.
   seen
4. D.
   be seen

Jim Green works in the hospital. Last weekend he __41___ go to work. On Saturday morning his father ___42__ to him, “Jim, go to the city and to see my best friend, Mr. Vickers. Here is his   43 . His home is near the station.”
Jim went to the city __44__ train. He got off (下车) the train and thought, “Mr. Vicker’s    45 is near the station, I can __46  _ it easily.” But after an hour he couldn’t find it.   47  he stopped and asked an old man. The old man said, “Just go along this street, __48__left at New Zoo, and the house is __49__ your right.”
Three weeks   50 , his father told him __51__ Mr Vickers again. He had to __52__ someone for the way when he didn’t find the house. He stopped the   53 man. He was _54_ and said, “Are you still __55__ that place, young man?”

Jim Green works in the hospital. Last weekend he __41___ go to work. On Saturday morning his father ___42__ to him, “Jim, go to the city and to see my best friend, Mr Vickers. Here is his   43 . His home is near the station.”
Jim went to the city __44__ train. He got off (下车) the train and thought, “Mr Vicker’s    45 is near the station, I can __46  _ it easily.” But after an hour he couldn’t find it.   47  he stopped and asked an old man. The old man said, “Just go along this street, __48__left at New Zoo, and the house is __49__ your right.”
Three weeks   50 , his father told him __51__ Mr Vickers again. He had to __52__ someone for the way when he didn’t find the house. He stopped the   53 man. He was _54_ and said, “Are you still __55__ that place, young man?”

Jim Green works in the hospital. Last weekend he __41___ go to work. On Saturday morning his father ___42__ to him, “Jim, go to the city and to see my best friend, Mr. Vickers. Here is his   43 . His home is near the station.”

Jim went to the city __44__ train. He got off (下车) the train and thought, “Mr. Vicker’s    45 is near the station, I can __46  _ it easily.” But after an hour he couldn’t find it.   47  he stopped and asked an old man. The old man said, “Just go along this street, __48__left at New Zoo, and the house is __49__ your right.”

Three weeks   50 , his father told him __51__ Mr Vickers again. He had to __52__ someone for the way when he didn’t find the house. He stopped the   53 man. He was _54_ and said, “Are you still __55__ that place, young man?”