did studying
as...as...
两处的词的词性和语态应一致.
应该是He spent as much time playing as he spent (on) studying.
为了避免重复,所以就用did代替spent
太慌张了...对不起对不起...
did studying
as...as...
两处的词的词性和语态应一致.
应该是He spent as much time playing as he spent (on) studying.
为了避免重复,所以就用did代替spent
太慌张了...对不起对不起...