题目内容
Robert is said abrcad. 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
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 |