He ( ) deal with the problem without the help for his fatherA.cans B.can C.be able to D.able(选哪个,为什么?)

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He ( ) deal with the problem without the help for his fatherA.cans   B.can  C.be able to  D.able(选哪个,为什么?)
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He ( ) deal with the problem without the help for his fatherA.cans B.can C.be able to D.able(选哪个,为什么?)
He ( ) deal with the problem without the help for his father
A.cans B.can C.be able to D.able(选哪个,为什么?)

He ( ) deal with the problem without the help for his fatherA.cans B.can C.be able to D.able(选哪个,为什么?)
正确:B
can是个情态动词,没有人称和数的变化,故A是错误的.
can常与be able to互换,但can只有can/could两者形式,而be able to 则有am/is/are/was/were/will be able to等多种形式,即应该把C改为is able to,则是正确的.

B
can =be able to 能
如果选C ,应该是 is able to

祝你开心。

B can表能力

情态动词不随主语的变化而变化

句意:他可以在没有父亲的帮助下解决这个问题。

He (can ) deal with the problem without the help for his father