As it turned out to be a problem of no importance , we so much time looking into it .
A.needn’t spend | B.didn’t have to spend |
C.needn’t have spent | D.oughtn’t to spend |
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As it turned out to be a problem of no importance , we so much time looking into it .
A.needn’t spend | B.didn’t have to spend |
C.needn’t have spent | D.oughtn’t to spend |