Circle the correct answers. 1 We've finished / finished our homework. Can we go outside now? 2 When he was / he's been six, he went / he's been to school in New York. 3 Amy didn't read / hasn't read the third book in the series yet. 4 Have you met / Did you meet the new science teacher? 5 I went /'ve been to London twice in my life. 6 Leo and Fred didn't know / haven't known the answer so they as​