2.不是的,它是橘黃色的。 No,it isn't.It is orange.
3.這不是我的英語詞典。This is not my English dictionary.
4.這本漢語詞典是傑克的。This Chinese dictionary is Jack's.
5.她的鋼筆、尺子、鉛筆、橡皮在這個鉛筆盒裏。His pen,ruler,pencil and rubber are all in this pencil-box.