—Robert is indeed a wise man.—Oh, yes. How often I have regretted ______ his advice! 
#90294
A
to take
B
taking
C
not to take
D
not taking
推荐题目
At the beginning of class, the noise of desks _____ could be heard outside the classroom. 
#98029
A
opened and closed
B
to be opened and closed
C
being opened and closed
D
to open and close
What’s the chance of ________ a general election this year?
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A
there being
B
there to be
C
there be
D
there going to be