—Look! The man at the gate ________ be our teacher. He is always standing there every morning.—No, it ________ be him. He is having a meeting in the office now.
---Is this computer game _______? ---No, it isn’t. It’s ________.
He likes playing ______ guitar but he doesn’t like playing _____ soccer.
---Is there______ “f” and _______ “u” in the word “four”? ---Yes, there is.
Our monitor always helps other students ____ their lessons and he never says any bad words _____ others.
Students in the USA spend time their homework than we do.