题目内容
10.By the time he was six,the boyhad learnt 3,000English words.(learn)分析 到他六岁时为止,那个男孩已学了3000英语单词.
解答 答案:had learnt 考查单词填空.by the time意为"到…为止",一般要求主句用过去完成时,谓语动词用had learnt.
点评 考查单词填空,准确地理解句意,翻译句子,然后,根据句意,写出正确的单词.
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