用所给动词的正确形式填空He should __(do)his homework first
问题描述:
用所给动词的正确形式填空He should __(do)his homework first
答
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
答
have done= =
答
He should _do_(do)his homework first