—This is the first time for me to hold the ________ birthday party for an old man.—I am not busy. Let me help you.
_________ the window, Tom! It’s too hot.
I have no pencils _____ pens, but Mary and Andy have some.
______ a nice car, and ______ colour is nice.
Do you know the answers? Please__________.
--- this man in the computer room? --- He’s my new teacher.