用所给词的适当形式填空.1.We must find ----- （we）books.2.I have ----- （a

用所给词的适当形式填空.1.We must find _____ （we）books.2.I have _____ （a）orange用所给词的适当形式填空.1.We must find _____ （we）books.2.I have _____ （a）orange notebook.3.Where are his _____ （key）?4.This is my _____ （parents）bedroom.5.Kate and Gina are sisters.Here are _____（they）photos.