一、单项选择(共10小题；每小题1分，满分10分)
从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。
1．— _______ expensive mobile phone it is?
—Yes, but I think _______ style is quite fashionable.
A.What a；a B.How；the C.What an; the D.How an; the
2．—Congratulations! Among the best pictures in the competition，I found _______. Why did you draw it?
一During the trip to the Yellow Mountain _______ May.
A.yours; in B.yours; on C.you; in D.you; on
