【C6】
A.Therefore
B.At once
C.Because
D.However
请帮忙给出正确答案和分析,谢谢!
【C19】A.ThereforeB.MoreoverC.FurthermoreD.However
【C6】A.thereforeB.subsequentlyC.howeverD.furthermore
A.thereforeB.whenC.becauseD.nonetheless
【C6】A.butB.andC.becauseD.though
【C6】A.everB.onceC.neverD.still
【C6】A.ThereforeB.HoweverC.AlsoD.Otherwise