After _____dinner, I like to sing a song for ____ short time.A a;an B an;a C /;an D /; a
______ my teacher Miss Li. Miss Li, ________ my sister Jane.
----Are there ten books on the desk? ----Yes, ________.
----________ is your friend? ----He is a policeman.
Miss Wang is _________ English teacher. ________ is a good teacher.
—Hi, Lily and Kate, are you classmates? —Yes, ________.