Mrs. Sun is a friend of _______.A. Mary's mother B. mother of Mary C. Mary 's mother's
It’s the 23th of December._______ is coming. A.Helloween B.Easter C.Christmas
My mother_____a lot of things for New Years Day yesterday. A.saw B.bought C.went
--- _______ is the Changjiang River? --- It’s more than six thousand kilometers long .
I’m going to _______ some books .
--- _______ is the moon ?--- It’s millions of years old.