he couldn't persuade her to change her mind,no matter how hard he ___ trya.could b.might c.may为什么选B?而A,C不对?

he couldn't persuade her to change her mind,no matter how hard he ___ trya might b could选A 为何B不可? he couldn't persuade her to change her mind,no matter how hard he ___ trya.could b.might c.may为什么选B?而A,C不对? 请高手指教,convince和persuade的区别they couldn't _____ hime of his mistake. He couldn't play with candles.I couldn't e . He couldn't tell the season翻译 翻译:He couldn't fall asleep He couldn't talk with nobody Seeing it ,he couldn't help___(shout) I don't think you can persuade him; he always adheres to what he believes. He said that he couldn't solve the problem.翻译 Once he d___,he couldn't change his mind he was ___tired ____ he couldn't go on working he said he couldn't listen to me 改错 Angry as he was,he couldn't help saying so angry as he was,he couldn't saying so. He couldn't play anythings 的同义句 He ___play____. He tried ____(catch)the cat,but he couldn't He said he couldn't _______(背叛)his country