7、whoare(德国人)Ⅱ.单项选择(25’)()1.A professor from ____university said that he would think out ____unusual way to face the serious problem .A. a ; the B.an ;a C. a ; an D. an ;the()2.The_______areplayinggameswiththeir_______ontheplayground.A.child,womanteachersB.children,wo