1.Rose studies -------- than Helen.In fact,she works-------i

1.Rose studies ________ than Helen.In fact,she works_______in our class.
A.more hard.....hardest B.much hard...most hardest C.much harder...hardest D.much more harder...the hardest
2.In the last few years,there_______great changs in shanghai.
A.have been B.has been C.was D.were
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{/ o o /}
( (oo) )
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