be able to和can的区别I went there in 1984,and that was the only occasion when I ________ the journey in exactly two days.A.must take B.must have madeC.was able to make D.could makeC D的区别?

can和be able to的区别 can和be able to 的区别 be able to和can的区别 be able to的用法be able to和can的区别和用法 can,could和be able to的区别 can 与be able to 的具体区别 和 用法 can 和 be able to 的区别在哪? can和be able to的区别?要例句哦`` be able to、can、could的区别 can与be able to的区别 be able to与can 的区别 be able to 与 can的区别 be able to ,can,may的区别 be able to 和will be able to 的区别 be able to 和 able to的区别 英语中,can和be able to有和区别? could和be able to的区别 be able to 和 can 的区别can是否能用在将来时.