C )4.Linda quiet,but now she is very active. A.used to B.used to being C.used to be D.is used to be A )5.The house we live is very big and comfortable. A.where B.who C.in that D.of which 导航页导航页 ( )4.Linda quiet,but now she is very active. A.used to B.used to being C.used to be D.is used to be ( )5.The house we live is very big and comfortable. A.where B.who C.in that D.of which C A