D．irections: For this part, you are supposed to write a letter of refasal in English in 100-120 words based on the following situation. Remember to write it clearly.
61. 你(Li Yuan)的朋友(Jack)邀请你暑期到他家乡—农村去度假。写封信委婉拒绝。信的内容如下：(1) 对邀请表示感谢；(2) 不能如愿的原因；(3) 提出弥补的方式。