she had to work very hard in the fields 32 day.

题目

she had to work very hard in the fields 32 day.
( )32.A.by B.most C.all D.during
C,WHY?
she had to work very hard in the fields ________ 32 day.

答案

从语气可以判断.她必须整天都努力地工作.all 同 have to 一起突出了“她很累,很辛苦,”