定语从句，先行词为物，所以用which

【题目】阅读下面材料，在空白处填入适当的内容（不多于3个单词）或括号内单词的正确形式。

After a short vacation with my parents, I returned to the country where I’m volunteering. The next day, I was back at my desk. And I was  【1】    (surprise) to find that the smile cards I ordered while I was away had arrived. Thoughts of how to use kind acts to help those in need began dancing in my head,   【2】  made my day immediately light up. The following days I took a small purse and a smile card with me with the intention of giving it to someone who   【3】   (real) needed a big surprise.

Martha is a lady, a single mother of four   【4】   (child), who cleans our office, gives us tea, food, etc. One day, I found her in the office touching her head in exhaustion as she ended    【5】  phone call.

After talking with her, I learned that one of her children    【6】   (send) back home from school because    【7】  non-payment of fees and that she had just been arranging for the money. So I decided    【8】   (help) my first target, Martha! When she went to get lunch, I left her the gift in a bag with her name, a smile card and a big smile   【9】   (draw) on the bag. Later,   【10】   Martha saw me again, she said, “Thank you very much! You made my day.”