题目内容：

语法填空。（10分，共10小题，每小题1分）

Are there any activities on 1.____(protect) the Earth in your school? Well,

in our school, we have such an activity2._______ (one) a month. For example, we want 3.________(plant) trees in the forest this month. We all know trees are very important4.________ our daily lives. They provide lots of things5.________ us. The forest is about two 6.. ___________(kilometre) away, so we will walk there. There 7.________ five groups of students and each group needs to plant thirty 8.________ (tree). After that, we will take some 9._______(photo) there. I’m sure we will have 10.______ nice day.