Last year Agent Cute ... (have) a very interesting case. An English boy Rob ... (go) to his pen friend Misha in Russia. His parents ... (come) to the detective agency for help. Agent Cute ... (work) on the case. He went to Russia and ... (find) Misha and his family. They had a visitor from England — Robin. Agent Cute ... (watch) the boys in Russia and, when they ... (go) to England, he watched them in England. Robin ... (be) from 1599. He came from the past because he ... (want) to take the Stone of Destiny from Westminster Abbey back to Scotland. The two boys used a time tunnel and ... (swap) places in time and Agent Cute helped them swap back! He ... (find) a note, it is the key to a family treasure.