He asked me ________ Robert and I said I did not know ________ A. that did I know / who were Robert B. that I knew / who Robert were C. if I knew / who Robert was D. whether I knew / who wa

He asked me ________ Robert and I said I did not know ________

A. that did I know / who were Robert
B. that I knew / who Robert were
C. if I knew / who Robert was      
D. whether I knew / who was Robert

Trả lời

Chọn đáp án C

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