1.He was not brave.He _ jump down from a very tall wall.A.dare not B.dared not C.dares not D.dare not to2.I _ the dinner,because my mother has done it A don't need to cook B.needn't to cook C.needn't have cooked D.don't need cook我觉得是A,B

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1.Hewasnotbrave.He___jumpdownfromaverytallwall.A.darenotB.darednotC.daresnotD.darenotto2.I___thedinn

1.He was not brave.He ___ jump down from a very tall wall.A.dare not B.dared not C.dares not D.dare not to2.I ___ the dinner,because my mother has done it A don't need to cook B.needn't to cook C.needn't have cooked D.don't need cook我觉得是A,B
1.He was not brave.He ___ jump down from a very tall wall.
A.dare not B.dared not C.dares not D.dare not to
2.I ___ the dinner,because my mother has done it
A don't need to cook B.needn't to cook
C.needn't have cooked D.don't need cook
我觉得是A,B
可是答案是B,A

1.He was not brave.He ___ jump down from a very tall wall.A.dare not B.dared not C.dares not D.dare not to2.I ___ the dinner,because my mother has done it A don't need to cook B.needn't to cook C.needn't have cooked D.don't need cook我觉得是A,B
(i/you/he) dare (not) + 动词原型 dared随时态变化
need有两种用法：
一、情态动词：(i/you/he) need (not) + 动词原型一般无时态变化,常用于否定或疑问
二、实义动词：i (do not) need to + 动词原型,he needs / doesn't need to + 动词原型 needed随时态变化

(i/you/he) dare (not) + 动词原型
need有两种用法：
一、情态动词：(i/you/he) need (not) + 动词原型
二、实义动词：i (do not) need to + 动词原型，he needs / doesn't need to + 动词原型
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dare可做实义动词，也可做情态动词，和need一样，不过做情态动词时一般过去式为dared，所以选B，就和can could一样就好理解了
第二题选C，意思是我本不必煮晚饭的因为妈妈已经烧了，needn't have done 表示不必做事实上却做了。
实义动词：dare/need to do, 情态动词dare/need do...

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he was not brave.he ( )jump down from the roof.A.didn't dare B.didn't dare to C.dares not D.dares not to it meant that he was not h____.填空h什么 1.He was not brave.He ___ jump down from a very tall wall.A.dare not B.dared not C.dares not D.dare not to2.I ___ the dinner,because my mother has done it A don't need to cook B.needn't to cook C.needn't have cooked D.don't need cook我觉得是A,B i regret saying that he is not brave enough He stopped reading,for he was not sure whether______'h' in the word'honesty' was pronounced or not.anathe/ he was so brave that he saved a lot of students from a fire同义句英语单选选择_______that he can overcome so many difficultes in his life.A.So brave Hong Zhanhui wasB.So brave was Hong Zhanhui C.So Hong Zhanhui was braveD.So was Hong Zhanhui brave 选什么?为什么呢? It was not that he was 合并成一句Liu Tao was very brave.He saved his neighboor out of a fire. He was praised for his_____ A brave B bravery C bravely D great brave As is known to us all,failure选择怎么啊! He said that it was so,he was mistaken h()He said that it was so,he was mistaken h( ) 1.The shopkeeper did not want to sell for ___ he thought was not enough.A.what B.which2.The way he did it was different ___ we were used to.A.from what B.from which3.A modern city has been set up in ___ was a wasteland ten years ago.A.what B.which4.H 英语句子改写,He was so brave that he jumped into the river to save the girl.改写 He was ( )( )( )jump into the river to save the girl. 英语的单项选择题（需要解释一下为什么这么选,）1.Electricity _____by Edison,but he _____the electric light.A.was not discovered,was inventedB.was not invented,was inventedC.was not discovered,inventedD.was not invented,discovered. I was not brave enough to tell him to stop doing it .写出它的两个同义句 he was brave,___soldiers fought so bravely in that battle.是用no others 还是no other? Liu Tao was very brave.He saved a little boy out of fire.(合并为一句) he was not the least interested 翻译