22.______ in natural gas and oil, so this area is worth developing.A.Being richB.It is rich C.It bei

题目简介

22.______ in natural gas and oil, so this area is worth developing.A.Being richB.It is rich C.It bei

题目详情


22.______ in natural gas and oil, so this area is worth developing.
A.Being richB.It is rich C.It being richD.To be rich
题型:单选题难度:偏易来源:不详

答案

B

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