as与with区别?Q:theproblemoflanderosion(侵蚀)gettingmoreandmoreserious,thegovernmentissearchingforawaytodealwithit.A.AsB.WithC.WhenD.If答案：B这里如果用With则表示伴随状态,可是为什么不可以

Question

as与with区别?
Q:______the problem of land erosion(侵蚀) getting more and more serious, the government is searching for a way to deal with it.
A.As B.With C.When D.If
答案：B
这里如果用With则表示伴随状态,可是为什么不可以说是原因用As 呢?

Answer 1

答案是B ==As the problem of land erosion(侵蚀) is getting more and more serious ,-- --- .
很简单,
as是连接词,后面要加句子.而with是介词,后面加名词短语.又如：
WIth the quick passage of time,we found it time to say goodbye to each other.
==As time passed quickly,we found it time to say goodbye to each other.
=== With time passing quickly,we found it time to say goodbye to each other.