用所给动词的正确形式填空He should __(do)his homework first

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用所给动词的正确形式填空He should __(do)his homework first

用所给动词的正确形式填空He should __(do)his homework first
用所给动词的正确形式填空He should __(do)his homework first

用所给动词的正确形式填空He should __(do)his homework first
He should _do_(do)his homework first

have done= =

does
因为should是情态动词,情态动词后一般加动词原形
he是第三人称,所以加es