In addtion, pay attention to "can" and "be able to". given the example of your supplied: it must be " can /could be trained " . of course, then you check the verbal tense. More over, use "like humans" or " as humans do"or "as do humans."作者: gigi 时间: 2002-10-22 16:33
be able to 表能力,一般不用被动语态!作者: primefang 时间: 2002-10-23 18:55
GiGi, 你说出了解此题的第一关键, 第二关键是like 和as 的用法,
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