Mother came into the room and asked her two d　　1　　 to help her with the cooking．Elder sister-Lisha was r　　2　　 a book about Africa．Younger sister-Liya went to the room and helped her mother．After a while she came to call Lisha．Lisha answered,”I’m not at h　　3　　．I’m in Africa．There are m　　4　　 flowers and birds there．”Liya went back．After a moment, Liya came back, and ate s　　5　　 Lisha asked,”What are you eating?”“I’m eating ice cream．This is the s　　6　　 piece．I have eaten mine．I’m eating yours．”Lisha said a　　7　　,”Why do you eat m　　8　　?”Liya answered,”Mother doesn’t k　　9　　 when you will come b　　10　　 from Africa．The ice cream will melt(融化)if it is kept for long．It can’t wait for long．”