①The little girl had no choice but at home.   ②The little girl could do nothing but at home.   A. to stay B. to staying  C. stayed D. stay答案:AD怎样区别

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这里只要记住后面的都是承接前面的省略。比如①中填to stay是因为前面的动词是had,词组have to do,不得不...。②中前面的词是could为情态动词,后面要用动词原形,故用stay。