The sunlight is white and blinding,hard-edged shadows on the ground.2013年高考英语题目,为什么是being thrown hard-edged shadows on the ground?

the weather is shine in the sunlight the colour of sunlight is g______. Moonlight is only sunlight s__on the moon Let is catch the whit a 如题. Today is sunny .Sunlight is ___(射)through the windows. Go whit the most of the mornings his study is flooded with sunlight. I.love.the.place.that.is.full.of.sunlight. what is the matter whit you改为同义句what is｛ ｝｛｝you The little boy is always interested______sciience A whit B by C in D at yes ,its tail is longer than the whit noe.的问句 Please draw the ourtain；the sunlight is too bright翻译成中文 please draw the curtains the sunlight is too bright 为什么要用curtains而不是curtain? 请达人翻译：The sunlight is white and blinding,being thrown hard-edged shadow on the ground sunlight Sunlight from the dark lonely Till we see the sunlight. expose the skin to sunlight /the skin is exposed to sunlight (being exposed )to sunlight too much will do harm to one's skin为什么这个句子里做主语的动名词要用被动形式?exposing 不可以吗?