Think and rearrange the sentence.（连词组句）

1. is it much How (?)

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2.they are much How (?)

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3.I help you Can (?)

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4.yuan six is It (.)

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5.very pretty It is (.)

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最易腐烂，其势更急，可危及生命的疮疡是（）

A.烂疔

B.颜面疔疮

C.有头疽

D.疫疔

E.疽毒内陷