-- Have you ever been to Shanghai, Mary? -- Yes. I _______ there for three clays with my parents last month.
— I can’t find my volleyball. — Oh, Look! It’s ____the chair.
Look at your room. It’s dirty(脏的). Please make it _________________.
---Let’s play computer games. ---______ .
---How do you spell pen ? ---.
Lin Hai and Dave __ his good friends.