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53. I knew that she Miss Betsy because I remembered how my mother ___ her.
A) was / had described
B) is / described
C) would be / had described
D) had been / described
E) has been / described

54. She said that Bob ___ as he ___ research work.
A) was busy / had done
B) was busy / was doing
C) is busy / have done
D) was busy / will be doing
E) had been / described