That was not the first time he has betrayed us.这句话中为什么用has betrayed而不是had betrayed今天晚上要答案

【完形填空】 Not very long（1）,the computer was a strange machine.【完形填空】Not very long（1）,the computer was a strange machine.Not many people understand it.Not many people said（2）to it.Today,much of that is changing.The fir The credit goes to the man who convinces the world,not to whom the idea fir The girl was so f____ that she could not move. He is not the man that he was.意思 It was not 【】 then that the teacher knew that she always thought she was a【】小人物 He was not the man_ he was before.空格中填that,为什么不填what 翻译it was not until the twentieth century that modern poetry was really developed Considering that the sweater was hard made,it was not expensive.应怎样翻译,请详解. it was clearly that the driver was a b(----),because he could not make it It was not that he was China is not the country (that) it was ,that为什么做表语? he is not the man that he was before中的that是什么用法 the suspect insited that he had evidence______(prove）that he was not guilty The food was not actually all that expensive.这个句子中 “all that是什么用法? The captain knew that ( )the only attempt a his would not be b it was not c it had not beenThe captain knew that ( )the only attempta his would not be b it was not c it had not been It was not until the late sixteen hundreds that women began to perform professionally as dancers.it was not until It was lucky for the Ambassador that he was not wearing it 这里that引导的是什么句型? the chemist was surprised that his son did not like the way he had doneAthatBwhichChowDon which