did studing
as……as…… 中spent这个词被省略了,所以用did代替
完整的是
he spent as much time playing as he spent in studing.
前后时间是as as 的对象
of year
at this time of year.因为使用的是is
一般现在时态
did studing
as……as…… 中spent这个词被省略了,所以用did代替
完整的是
he spent as much time playing as he spent in studing.
前后时间是as as 的对象
of year
at this time of year.因为使用的是is
一般现在时态