Sandy could do nothing but _____ to his teacher that he was wrong .A.admit B.admitted C.admitting D.to admit 答案是a，為什么不是d呢？

熱心網(wǎng)友

我是沒見過but后面帶to

熱心網(wǎng)友

"could do"和后面的"do"要一致。（個人意見）前面不是不定式，后面也不能是不定式。