----- Nội dung ảnh ----- 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
