1. You (know), where George (be)? - He and Fanny (have) a friendly chat in the library. - They (be) old friends, (not/be) they? - Yes, they (be) friends since childhood.
2. The children (return) yet? - Yes, Tom Burton (bring) them back in his car five minutes ago. - Well, then we can have dinner now. - No, we can't. I (not/cook) it yet. - What you (do) all this time? - Worrying.