It is unknown who stole the money.
A. subject
B. object
C. predictive
D. appositive
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The rumor that the chairman was resigning was unfounded.
A. subject
B. object
C. predictive
D. appositive
I don’t know whether this is true or not.
A. subject
B. object
C. predictive
D. appositive
The question whether she had seen the murderer remained unanswered.
A. subject
B. object
C. predictive
D. appositive
The question is whether he can do the job or not.
A. subject
B. object
C. predictive
D. appositive
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