-- Someone is knocking at the door. Is it Amy?--It ________ be her. She is giving a performance at the theater now.
When he got ____,he took elephants,camels, lions and monkeys to his wedding.
When you meet some new words, you can ____ in your dictionary.
Egypt is famous for ____ pyramids.
Egypt is a country in ____.
One of the world’s first ____ was in Egypt.