--I don’t know _____she is. --Mrs Smith says she is a shop assistant.
_______ is the baseball? ---- It’s under the chair.
There is ____ “f” in the worD.“first”.A.an B.A. C.the D./
Look! Those _______ my sisters.
Is this your pencil?----- ___________.
----________ you Li Xiaoming?----Yes, I ________.