农业生产中适宜的土壤孔度是（）。
A.20%～60%
B.30%～60%
C.40%～60%
D.50%～60%
参考答案：D
Li Hua has succeeded _______ the National College Entrance Examination and her dream _______ being a university student will come true.
A．in; of
B．on; to
C．in; to
D．on; of
