问题
选择题
Lin Feng is said ____ abroad, but I don’t know which country he studied in.
A．to study
B．to be studied
C．to have studied
D．to be studying
答案
答案：C
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Lin Feng is said ____ abroad, but I don’t know which country he studied in.
A．to study
B．to be studied
C．to have studied
D．to be studying
答案：C