What will your school be like ___________20 years?
—How old is Tom? —He is ____.
—Do you have a small mouth?—No, I don’t. I have a ____ one.
—Does she speak Chinese? —No, she ____. She speaks English.
—____ is your schoolbag? —It’s black and white..
—Is this your book, Alice? —Yes, it is ____ book. Thank you.