题目内容
Robert is said_______ abroad, but I don't know what country he studied in.
[ ]
A. to have studied
B. to study
C. to be studying
D. to have been studying
B. to study
C. to be studying
D. to have been studying
A
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—Robert is indeed a wise man.
—Oh, yes. How I have regretted ____ __his advice?
A.to take |
B.taking |
C.not to take |
D.not taking |