my mother forgot _____ a watermelon onyesterday and she bought another
问题描述：
my mother forgot _____ a watermelon onyesterday and she bought another
A.to buy B.buying C.eat D.eating
答
forget doing sth解释为忘记做过了某事forget to do sth 解释为忘记去做某事这句话是 我妈妈她忘记自己已经买过一个西瓜了,便又买了一个.这个动作已经做过了 所以要用 forget doing从句意可以知道,她是忘记自己买过...