题目内容
The coal mine ________ by three families.
[ ]
A.is working
B.is worked
C.works
D.is worked at
答案:B
提示:
提示:
|
work用作及物动词,意思是“经营”。 |
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题目内容
The coal mine ________ by three families.
A.is working
B.is worked
C.works
D.is worked at
|
work用作及物动词,意思是“经营”。 |