“One one zero” 表示 ____。A. 火警 B. 匪警 C. 急救中心
This is my mother, Mrs. Wang. ---- _______________.
_______ 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?----- ___________.