The world’s supplies of copper _______ .
A、have been gradually being exhausted
B、has gradually exhausted
C、are gradually exhausted
D、are being gradually exhausted
【正确答案】：D
【题目解析】：D现在进行时的被动语态为：are/is/am being+过去分词。(译:世界的铜资源正逐渐被耗尽)
The world’s supplies of copper _______ .
- 2024-08-16 05:33:01
- 笔试(00004)