__he is limited technical knowledge the old worker was a lot of enperience.选哪一个A.SinceB.UnlessC.AsD.Although

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__he is limited technical knowledge the old worker was a lot of enperience.选哪一个A.SinceB.UnlessC.AsD.Although

__he is limited technical knowledge the old worker was a lot of enperience.选哪一个A.SinceB.UnlessC.AsD.Although
__he is limited technical knowledge the old worker was a lot of enperience.
选哪一个
A.Since
B.Unless
C.As
D.Although

__he is limited technical knowledge the old worker was a lot of enperience.选哪一个A.SinceB.UnlessC.AsD.Although
D

while

选D.Although
尽管那个老工人缺乏技术知识,但他拥有很多经验

d