作业帮be able to和canI 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 make
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be able to和canI 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 make
be able to和can
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 made
C.was able to make
D.could make
be able to和canI 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 make
选C
be able to 是经过努力所能达到的能够,无被动语态,通常句式前会有很多词做铺垫,像例句,“我是1984年去的那里,那也就是当时唯一的机会,我能够恰好2天抵达”
can 强调力所能及,表示体力或脑子方面的能力,或是具备某种客观条件能做某种动作的“能力”,只有现在和过去两种形式,其他时态则需要用be able to 来表示
选C吧，读着通顺些
be able to是指有能力做某事。通常指客观事件
can指能做某事，通常用于主观事件。
be able to 是有能力成功做成一件事，有各种时态；
can 也是有能力，但是没有表现出成功完成一件事的意思，只有现在时和过去时。
选C。
can和be able to 都能够表示【有能力、能够做某事】，在一般现在时里可以互换。
但是，在表示【过去有能力做某事，或经过拼搏、努力等做到某事】，只能用 be able to的变形
was/were able to.例如：
The house was on fire then,but fortunately,we all were able to ru...
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选C。
can和be able to 都能够表示【有能力、能够做某事】，在一般现在时里可以互换。
但是，在表示【过去有能力做某事，或经过拼搏、努力等做到某事】，只能用 be able to的变形
was/were able to.例如：
The house was on fire then,but fortunately,we all were able to run out of it .
祝你开心如意！
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