the students spent_____their time working in the fields A.both B.most C.half D.half
问题描述：
the students spent_____their time working in the fields A.both B.most C.half D.half
答
C half
可以说 their most time ,most of their time .
half their time ,
They spend half their time dreaming up ways of getting rich.
他们花一半时间梦求致富的办法.