原帖由 不二周助 于 2010-10-5 12:28 发表
举例,这两道题我也想不出,有没有人帮忙解答?
Fred didn't do well on his exam, because he didn't prepare. (句意不变)
Fred didn't do well on his exam, because he______ _______
完成句子
He was ...
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