根据句意及首字母或汉语提示填写单词

根据句意及首字母或汉语提示填写单词
1.Fang Fang _______（寄）a letter to his parents every month.
2.let's go _______（徒步旅行）in the mountain this weekend.
3.Here is a _______（明信片)for you,jenny.
4.There is a beautful park near our school .we p _______ to relax there this weekend.
5.Thank you for looking after my cat when I was a_______.