3．
读课文，根据首字母提示写出所缺的单词。
Three t did some v w during the school holidays. Betty worked in a children's hospital. All the children there get serious i. She met a girl called Cindy. Mark spent time with children without parents. He met Vivien, who is unhappy and l because her parents have died. Annie offered to help d children. They have d walking or moving. She met Tim, a boy who h his legs in an accident. She wants to help children like Tim and r their s in the future.
