---Mary dances best in our school.---I agree. I’ll never forget her dance for the first t

问题补充：

---Mary dances best in our school.

---I agree. I’ll never forget her dance for the first time.

A. seeing

B. to see

C. see

D. seen

答案：

(答案→)A. seeing

B. to see

C. see

D. seen

解析：句意：玛丽在我们学校跳舞跳得最好。我同意，我将永远不会忘记第一次看她的舞蹈。forget to do sth ,忘记去做某事，该事情还没有做。forget doing sth,忘记曾经做过某事，该事情已经做了。根据句意，故选A。