________ any answer from my friend, I wrote again．
A.Having not received
B.Not having received
C.Not receiving
D.Receiving not
答案 :
B
________, the orphans(孤儿)are living a happy life．
A.To take good care of
B.Taking good care of
C.Take good care of
D.Taken good care of
答案 :
D
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