Professor Li who I abroad still teaches in Peking University.A. think wentB. think to h

问题补充：

Professor Li, who I abroad, still teaches in Peking University.

A. think went

B. think to have gone

C. thought went

D. thought had gone

答案：

A. think went

B. think to have gone

(答案→)C. thought went

D. thought had gone

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