用所给动词的正确形式填空 Sometimes my brother____(not do) his homework after supper.

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用所给动词的正确形式填空 Sometimes my brother____(not do) his homework after supper.
用所给动词的正确形式填空 Sometimes my brother____(not do) his homework after supper.

用所给动词的正确形式填空 Sometimes my brother____(not do) his homework after supper.
填写:doesn't do
解析:这句话是一般现在时,其次,my brother是单数第三人称,所以应该用does的否定形式,doesn't;
翻译:有时候我的弟弟晚饭后不做作业

doesn't do

为doesn't do。
分析:my brother为第三人称单数,助动词用dosen't。
助动词后用动词原形,故为do。
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