Câu hỏi:

She received a general education in local schools and some scientific training from her father.

Three women, none of whom we _______ before, _______ out of the hall

As a brilliant and mature student with a rare gift of concentration, Marie harbored the dream of a scientific career which was impossible for a woman at that time.

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

How many cities you and your uncle _______ by July last summer?

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

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