—Why didn’t you come to the cinema with us last Saturday? —Oh,sorry.But I________ the film.
She'll never forget her stay there ________ she found her son who had gone missing two years before.
Gun control is a subject ________ Americans have argued for a long time.
Whenever I met her,________ was fairly often,she greeted me with a sweet smile.
She brought with her three friends,none of ________ I had ever met before.
The house ________ I grew up has been taken down and replaced by an office building.