During the tourist season, there are many people wandering in this city to see the old castles_____ in the sixteenth century.
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.
She brought with her three friends, none ofI had ever met before.
Whenever I met her, _________ was fairly often, she greeted me with a sweet smile.
My friend showed me round the town, was very kind of him.