题目内容
22.______ in natural gas and oil, so this area is worth developing.
| A.Being rich | B.It is rich | C.It being rich | D.To be rich |
B
解析
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题目内容
22.______ in natural gas and oil, so this area is worth developing.
| A.Being rich | B.It is rich | C.It being rich | D.To be rich |
B
解析