当你在电话里介绍自己时,你应该说:______A.Hello. This is Mark. B. Hello. I am Mark.
Amy fell over. She ______her fingers. A. hurted B. hurt C. hurting
______did you go yesterday? A. When B. What C. Where
Did you ___________my black bike? A. saw B. seed C. see
Wash your hands________you eat. A.after B.during C. before
Yesterday Daming _______his fingers. A. cutted B. cutting C.cut