My son has gone abroad. I"m looking forward to him _____. [ ]A. return

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My son has gone abroad. I"m looking forward to him _____.     [     ]
A. return
B. to return
C. returning
D. returned

答案

举一反三

Sustainable development is long-term ____ which focuses on the environment and ____ natural
resources.      [     ]
A. plan; preserve
B. plan; preserving
C. planning; preserving
D. planning;preserve

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It was   _____ the second-hand bus that the mechanic spent the whole afternoon in the factory.    [     ]
A. in repair
B. repaired
C. repairing
D. to repair

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Lydia doesn"t feel like ____ abroad. Her   parents are old.   [     ]
A. study
B. studying
C. studied
D. to study

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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

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It"s no use  ____ without taking action.  [     ]
A. complain
B. complaining
C. being complained
D. to be complained

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