问题
选择题
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
答案：C
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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：C