单项选择题

"Where () the recorder I can't see it anywhere."
"I () it right here. But now it is gone."

A．did you put, have put
B．have you put, put
C．had you put, was putting
D．were you putting, have put

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单项选择题

A．found
B．founded
C．was founded
D．was found

"Where () the recorder I can't see it anywhere.""I () it right here. But now it is gone."