Alice, is this your pen? I need one to write down the name of the book. — No, it isn’t . ________ is over there on the desk.

_____ many times, but he still doesn’t know how to operate the machine properly.

Nancy, don’t always _______ that old jacket. It doesn’t fit you.

His son is _______ now. Today it’s his _______ birthday.

At the beginning of the class, Miss Liu ______ the exercise books to the students.