Don't have your children ____ for hours doing their homework in ___ dark a roomA.sitting ,so B.sit Don't have your children ____ for hours doing their homework in ___ dark a roomA.sitting ,so B.sit ,such C.to be sitting ,so D.to sit ,such 为什莫 s

Don't have your children ____ for hours doing their homework in ___ dark a roomA.sitting ,so B.sit Don't have your children ____ for hours doing their homework in ___ dark a roomA.sitting ,so B.sit ,such C.to be sitting ,so D.to sit ,such 为什莫 s
Don't have your children ____ for hours doing their homework in ___ dark a roomA.sitting ,so B.sit
Don't have your children ____ for hours doing their homework in ___ dark a roomA.sitting ,so B.sit ,such C.to be sitting ,so D.to sit ,such 为什莫 so such 怎样区别

Don't have your children ____ for hours doing their homework in ___ dark a roomA.sitting ,so B.sit Don't have your children ____ for hours doing their homework in ___ dark a roomA.sitting ,so B.sit ,such C.to be sitting ,so D.to sit ,such 为什莫 s
so+adj+a/an+n such+a/an+adj+n so是副词后面跟形容词或者副词eg.Shi is a so beautifu girl.
He run so fast that he win the game.

such a dark room
so dark a room
such后街名词，so后接形容词

have sb doing 让某人一直做
so 形容形容词与副词
such 形容名词