题目内容
-Can you tell me ______?
-Sorry, I don’t know. It’s a wonderful invention.
A. When was the machine invented?
B. Who the machine invented
C. Whom the machine was invented by
D. Who was the machine invented by?
C
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题目内容
-Can you tell me ______?
-Sorry, I don’t know. It’s a wonderful invention.
A. When was the machine invented?
B. Who the machine invented
C. Whom the machine was invented by
D. Who was the machine invented by?
C