以下の英文のカッコ部分はどのように言い換えられますか？ 1. Annie James' home is in London. She lives there with her (mother) . 2. The two (girl) , Hallie and Annie, are (twin) ! But they live apart. They don't know about each other. 3. (Hallie) summer plans are exciting. She's going to summer camp. And by chance, (Annie) is going to the same summer camp! 4. At camp, Hallie sees her (sister) face for the first time. They look the same! They are both surprised and happy. 5. Hallie doesn't know her (mom) name, and Annie doesn't know her (dad) name. 6. Before the two (child) leave camp, they have an idea. The two (sister) plan is an exciting one!