Question

例 Sandy could do nothing but ________ to his teacher that he was wrong. 

A. admit  B. admitted  C. admitting  D. to admit

Answer 1

A

解析:

该句中的but是介词，后接动词不定式。当谓语动词是do，does或did时，后接不带to的不定式；是其他动词时，后接带to的不定式。该句的谓语是could do nothing，要填动词原形admit。译文：山德不得不向老师承认自己错了。