He used stones________(kill)animals for food.用所给词的适当形式填空

He used to go swimming. He used to be short. He used to be weak. Used he to be short?回答是Yes,he used.还是Yes,he used to. he used to run fast.used to 是什么词性,成分? Used he to live here?Yes,he used to还是 Yes,he used.否定回答是No,he usedn't he is not what he used to be 为什么不能how he used to be this is the kind of life he is used to为什么 he is used to 而不是 he used to He used to play basketball every Sunday. Used he to be short?回答是Yes,he used.还是Yes,he used to.还是Yes,he used to be. he used to be short hair对吗 He is used to后接什么 He is used to getting turned down he is used to sleeping ____ he is used to ____up early He used not to like fish是什么意思? 翻译：He used film to take photos . 有没有 Used he to smoke?那这题选什么 ( ) he to smoke?yes,he ( ) but now he doesn't A used ,usedB used ,used toC did ,used toD used ,did