The old lady couldn’t remember __________.A.where she puts her bag B.where she had put her bag
问题描述：
The old lady couldn’t remember __________.A.where she puts her bag B.where she had put her bag
答
B.where she had put her bag
对应前面过去式
答
B.where she had put her bag
应该使用过去完成时
请采纳