—Robert is indeed a wise man。
—oh, yes How often I have regretted ____ __his advice?
| A．to take | B．taking | C．not to take | D．not taking |
相关试题
It was not until he arrived at the office_____ realized he had forgotten the key. 
| A．and he | B．when he | C．that he | D．he |
. You can’t imagine _______ when they received those nice Christmas presents. 
| A．how they were excited | B．how excited they were |
C．how excited were they | D．they were excited |
. ____ of the land in my hometown ____ covered with trees and grass.
| A．Two-fifths; is | B．Two-fifth; are | C．Two-fifth; is | D．Two-fifths; are |
. It is difficult for us to _________ a conversation with so much noise around us. 
| A．communicate with | B．carry on | C．set up | D．bring  up |
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