She seems to have spent all her life studying in                                                                             establishments.

My mother told me she                                 very tired since she came back from a visit to our grandparents.

Susan                              her family after she had taken the university entrance examination.

My computer makes a                                    low buzzing noise.

Câu 1. When we went back to the bookstore, the bookseller                                                                                    the book we wanted.

Peter was in New York last week; he                                                                                           in Washington D.C. three days earlier.

Sam didn't get much formal                                    .