Although I tried my best I could not her to stay here.A. adviseB. adviceC. persuadeD. per

问题补充：

Although I tried my best, I could not her to stay here.

A. advise

B. advice

C. persuade

D. persuaded

答案：

A. advise

B. advice

(答案→)C. persuade

D. persuaded

解析：本题的含义是虽然我竭尽全力，但是我还是不能够劝说她待在这儿，persuade可以表示劝说的意思，用在could之后，要用动词原形，故本题选C。