Sandy could do nothing but to his teacher that he was wrong.A. to admitB. admittedC. adm

问题补充：

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

A. to admit

B. admitted

C. admit

D. admitting

答案：

A. to admit

B. admitted

(答案→)C. admit

D. admitting

解析：这道题考查的是短语：“can do nothing but do sth..”只好做…，值得注意的是也可以说：have no choice but to do…，注意对比but后面动词的形式不同。But前面如果有do的话，but后面就用动词原形，But前面如果没有do的话，but后面就用动词不定式。