i don't think jack____swim across the wide river如题a.can b.is able to

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i don't think jack____swim across the wide river如题a.can b.is able to
i don't think jack____swim across the wide river
如题
a.can b.is able to

i don't think jack____swim across the wide river如题a.can b.is able to
can:表示与生俱来的能力而be able to:则表示能够所以选B

can

1. 答案:A.
2. 翻译:我并不认为杰克能够游过那条宽河。
3. 解释:can经常用于表示能力,而be able to更强调结果。
而此题句意明显是强调杰克有没有这个能力。

果断选B
be able to强调的是能力行不行 can则没那么强烈~