-Robert is indeed a wise man. -Oh,yes. How often I have regretted__________ his

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-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

答案

举一反三

It"s difficult to imagine his ____________the decision without any consideration.   [     ]
A. accept
B. accepting
C. to accept
D. accepted

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Isn"t it time you got down to__________ the papers?       [     ]
A. mark
B. be marked
C. being  marked
D. marking

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The parents suggest_________in the hotel room but their kids were anxious to camp out
during the trip.   [     ]
A. sleep
B. to sleep
C. sleeping
D. having slept

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Some of them objected to_________the plan. [     ]
A. carry on
B. carry out
C. carrying out
D. carrying on

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Forbidding ___________does good to your health.    [     ]
A. smoke
B. to smoke
C. smoking
D. smoked

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