6. - You are old enough to begin to learn. - But I (learn) all my life. 7. What you (do) with my bag? I (look) for it for an hour and I (not find) it yet. 8. They (stand) there for the last twenty minutes. They (argue) very excitedly all this time. Shall I come and interrupt them? 9. Oh, you (come) at last. Ann just (ask) for you. 10.1 (think) since yesterday over what you said.