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as if和as though引导的从句所叙述的情况与事实相反时，从句的谓语动词多用虚拟语气。在虚拟语气结构中，用________时态来表示现在的情形；用________时来表示过去的动作或状态；用________时表示正在进行的动作；用________时表示将要发生的动作。
当as if和as though从句的主语和主句主语一致，且从句中含有系动词be的某种形式时该主语和系动词可以省略。
例如：John paused as if(he was)expecting Mary to speak．
E
Americans like to travel on their yearly holiday. Today, more and more travelers in the United States are spending nights at small houses or inns instead of hotels. They get a room for the night and the breakfast the next morning.
Rooms for the night in private homes with breakfast have been popular with travelers in Europe for many years. In the past five to ten years, these bed-and-breakfast places have become popular in the United States. Many of these American’s bed-and-breakfast inns are old historic buildings. Some bed-and breakfast inns have only a few rooms, others are much larger. Some inns don’t provide telephones or television in the rooms, others do.
Staying at a bed-and-breakfast inn is much different from staying at a hotel. Usually the cost is much less. Staying at an inn is almost like visiting someone’s home. The owners are glad to tell about the area and interesting places to visit. Many vacationers say they enjoy the chance to meet locate families.
判断下列叙述是否正确 （正确的用T 表示，错误的用F表示）
71. Americans take a holiday trip every year.
72. The bed-and-breakfast inns have been popular in America for a long time.
73. You can make a telephone or watch TV at all bed-and-breakfast inns.
74. It is cheaper to stay at a bed-and-breakfast inn than in a hotel.
75. Some Americans now stay in a bed-and-breakfast home instead of in a hotel.
查看习题详情和答案>>Mrs. Green was eighty,but she had a small car ,and she always drove to the shops in it on Sunday and bought her food.
She did not drive fast,because she was old,but she drove well and never hit anything.Sometimes her grandchildren said to her,“Please don’t drive your car,we can take you to the shops.”
But she always said,“No,I like driving.I've driven for fifty years and I’m not going to stop now.”
Last Sunday she stopped her car at some traffic lights because they were red,and then it did not start again.the lights were green,then yellow,then red,then green again,but her car did not start.
“What am I going to do now?”she said.
But then a policeman came and said to her kindly,“Good morning,Don’t you like any of our colors today?”
判断下更句子的正误，正确的用“T”表示，错误的用“F”表示：
1．She always bought her food on Saturday.
( )
2．She did not drive well.
( )
3．She has driven for fifty years.
( )
4．Her grandchildren were happy when she drove her car.
( )
5．Mrs. Green’s engine did not start that day.
( )
查看习题详情和答案>>