根据汉语提示完成句子。 1. I _____ never _____ (去过) there before. 2. Have you _____ _____ (清理) the refrigerator yet? 3. Your radio is too noisy, please _____ _____ it (关小). 4. I haven't met my new neighbor _____ _____ (到目前为止). 5. I _____ _____ (聊天) my grandpa for half an hour yesterday evening. |