题目内容

Sam ought to have known how dangerous it was．

答案：
解析：

萨姆本该知道那事多危险。


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　　A teacher was asking one of her pupils some questions, but not even one of the answers was correct. So the teacher __(1)___ to ask him some very simple questions. She hoped that he could give at least one __(2)___ answer.

　　“Now Sam,”said the teacher,“__(3)___ is Waterloo?”

　　“Waterloo?”said the boy.“Oh, it's a kind of __(4)___ machine, I think.”

　　The teacher was __(5)___. She shook her head and raised __(6)___ question,“Sam, be __(7)___, please. Now tell me the __(8)___ to a very, very simple question: Who was Washington?”

　　“Well,”the answer __(9)___ quickly,“Washington must be the man who uses that washing machine.”

　　The teacher got __(10)___, but she didn't __(11)___. She thought and thought, and at last she thought of the __(12)___ question--if this could be __(13)___ a question: Who is the __(14)___ of the United States now?

　　Sam thought for a long time, but he had no __(15)___ at all. Then the teacher lost her temper（脾气）. She __(16)___,“Bush!”Sam looked __(17)___ and sat down.“Stand up!”Sam stood up again. He looked __(18)___.“Oh, I'm __(19)___.”he said，“I thought you were calling the __(20)___ student.”

(1)A．changed

B．turned

C．began

D．ought

(2)A．good

B．fine

C．satisfied

D．correct

(3)A．what

B．who

C．which

D．how

(4)A．unknown

B．wonderful

C．washing

D．drinking

(5)A．happy

B．surprised

C．excited

D．frightened

(6)A．another

B．the other

C．other

D．one

(7)A．clever

B．strict

C．good

D．serious

(8)A．answering

B．answer

C．reason

D．fact

(9)A．was

B．replied

C．came

D．went

(10)A．angry

B．astonished

C．delighted

D．excited

(11)A．give in

B．give out

C．give over

D．give up

(12)A．hardest

B．most difficult

C．easiest

D．funniest

(13)A．made

B．called

C．had

D．found

(14)A．president

B．governor

C．ruler

D．leader

(15)A．plan

B．opinion

C．mind

D．idea

(16)A．called

B．said

C．shouted

D．explained

(17)A．back

B．around

C．up

D．sorry

(18)A．happy

B．satisfied

C．sad

D．puzzled

(19)A．afraid

B．sorry

C．excited

D．glad

(20)A．next

B．first

C．last

D．beat

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