问题
选择题
He is a student at Oxford University, _____ for a degree in computer science. [ ]
A. studied
B. studying
C. to have studied
D. to be studying
答案
答案：B
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He is a student at Oxford University, _____ for a degree in computer science. [ ]
A. studied
B. studying
C. to have studied
D. to be studying
答案：B