Because he didn't know how to do it,he went to her for help._____ _____how to do it,…….可否直接用Didn't know how to do it,…… .还是Not knowing how to…….Because he didn't know how to do it，he went to her for help.句型转化为 __

He didn't come because he was ill.=He didn't come because of his__. he didn't come yesterday because he was ill.he didn't come yesterday【】【】his【】 He didn't pass the exam because he didn't study hard.(对划线部分提问)划线部分 because he didn't study hard( ) ( ) he pass the exam? He didn't come to school because he was ill对because he was ill提问 He didn't go to school because of ______(sick). Tom didn't go to school because he didn't feel( he had a bad cold,-----he didn't attend the meetinga because b because of which he didn't go to school because he wan ill 同义句he didn't go to school____ _____his_____. Tom didn't go to school because he was ill.Tom didn't go to school because of__ __. He didn't () up at the party because he wasn't invited 填单词, He didn't go to work because he was ill.(同义句)→He didn't go to work because of _____ _____. he didn,t go to school yesterday（）he was ill. beche didn,t go to school yesterday（）he was ill.because of还是because为什么? He didn't come to the evening party because he was ill.【对 because he was ill提问】 he didn't pass the exam because he was too -————（粗心的) he didn't go to school because he was ill(改成同义句) he didn't go to school because he was ill yesterday(改为同义句) he didn't go to school .because he is _____(terrible) ill Because he was ill,so he didn't go to work. (改错)