现在进行时be+v.-ing — 英语词汇题
题目
根据句意和首字母提示，补全单词，使句子完整正确：1. Look! Tom is r______ a book in the library. 2. The girls are s______ in the river now. 3. Listen! The baby is c______ in the room. 4. My mum is c______ dinner in the kitchen. 5. We are d______ pictures in the art room.