人体维生素D的主要来源是()
A.蛋黄中的维生素D
B.母乳中的维生素D
C.牛奶中的维生素D
D.皮肤合成内源性的维生素D
E.猪肝中的维生素D
参考答案:D
I met Jennifer in the street _____ and she told me she would go to study abroad next month. [ ]
A. some day
B. the other day
C. one day
D. another day