选词填空（can/could be able to)1.When he was young,he_____sing very well 2.Man_____live without air 3.You____sit here 4.After finishing his courses,he____speak French well 5.She____talk to us in English since she was small

can could be able to 选词填空!（ ）you like some milk A .Would B.Could C .Can 【求权威】选词填空,可改变形式：When he was yong,he -----play the violin very well (can;be able to)答案上是把be able to 改成was able to.我觉得为什么不能把can改成could填上去呢? 填空!( ) the woman thre be our math teacher?She( )be,but I'm not sure单词有must may can could might can't be able to、can、could的区别 can be 与could beshe could be a teacher.为什么不是can be ? can be,could be的用法求教can be和could be的用法,其间是否有联系?另外,除must be, can't be 和这两个之外,还有什么可以表猜测的词 用can,can't,could,may,must,have to填空. 英语选词填空,最好有解析can could may might must can’t mustn’t needn’t1.Please be quiet.The principal _________ have something more to say.2.The boy will get well soon.You _________ worry about it.3.We _________ see sounds,but we ____ 用must,might,can’t,could填空The owner be a boy because the earrings be a present for his mother. The Referer could not be found (can be left blank). 在英语作文里could be 可以代替can be ---Someone got full marks in the last math exam.---Guess _____?A:who can it be B:who it can be C:who could it be D:who it could be .请问大家应该选什么? 选词填空（can/could be able to)1.When he was young,he_____sing very well 2.Man_____live without air 3.You____sit here 4.After finishing his courses,he____speak French well 5.She____talk to us in English since she was small （）can't find ()pen.Could you help ()?填空 pekingman could.things but animals can not 填空 may be 与could be ,can be,might be在表示可能性上的区别是什么? be able to 和could/can 有什么分别