—Excuse me, can you give me a _______? —Sure. A. hand B. help C. ball
----________ is your friend ? ----He is a worker .
----- Is this ______ art room? -----Yes, it is.
_________ is my teacher, Mr. Li.
----- _______ is your English teacher? ------Mrs. Wang.
----How old is your grandfather? ---- He is _______.