Where is my watch? I _______ find it. —-Don’t worry. It must be somewhere in your room.

Don’t play a trick ________ him. [ ]

Do you have a small mouth?—No, I don’t. I have a ____ one.

What’s this in English? — ______ a pen .

Have you ever been to Xiangyang?—Yes. It is an ancient beautiful city ______ has more than 2800 years’ history.