Надо раскрыть скобки, употребляя глаголы в Future Perfect.
1. By next winter he (to sold) all his things. 2. He (to leave) when you arrive. 3. By next month he(to write) his fourth play. 4. We (to solve) this difficult problem by the end of the week. 5. Thewind (to drop) by the time we went out. 6. When the sun sets I (to read) this book. 7. If you come atnine they (to have) dinner. 8. If you ring me up after nine o’clock, I (to speak) to the doctor. 9. We(to travel) twenty miles more before we cross the frontier. 10. Next year we (to be) together for tenyears.