—David left,do you know?—No,which team is he now?
—What ____ is Jane in? —She is in ____ Six.
—What are ____ ? —____ are buses.
Linda is fifteen ____. She is in Class 1, Grade 9.
This is my teacher, Miss Chen. ____ is from Hebei.
—I’m in Class 4. Are you in Class 4, ____? —Yes, I am.