–What do you think of the summer camp?–Wonderful! It’s the greatest I have ever had. A.

问题补充：

–What do you think of the summer camp?

–Wonderful! It’s the greatest I have ever had.

A. mistake

B. point

C. experience

D. influence

答案：

A. mistake

B. point

(答案→)C. experience

D. influence

解析：句意：你认为这次的夏令营怎么样？棒极了！这是我曾经遇到的最开心的经历。去参加夏令营应该是一次经历，mistake意为“错误”；point意为“点，要害，要点”；influence意为“影响”；故选C。