—Whyareyourredcherriessoexpensive?—Yousee,thepriceoffr...

问题详情：

 —Why are your red cherries so expensive?

—You see, the price of fruit always varies _____ the seasons.

A. from             B. with            C. in              D. by

【回答】

B

知识点：介词

题型：选择题