.A snowstorm , ________is the worst of the past 50 years,________vast areas of southern ,eastern and central China in early 2008.A which ,struck B which ,attacked C that ,beat D that,affected
, I think, and all the problems could be settled.
Lu Xun was ___________ medical student before he turned ___________ great writer.
— These boxes are too heavy for me to carry. — Here, I’ll give you a hand ________ them.
They said the building would be completed ________ a year.
We should divide all the potatoes ________ two piles and separated the good ones ________ the bad ones.