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thosepastyears,wecouldn’thelpfeelingsorryforourparentswhoneverhadarestalltheyearround.A.LookingbackuponB.LookingaroundC.LookingoutD.Lookingup

题目详情
_______ those past years, we couldn’t help feeling sorry for our parents who never had a rest all the year round.
A.Looking back upon
B.Looking around
C.Looking out
D.Looking up
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答案和解析
A