Select the best verb form: 1. She ________ to Africa many times. was going has gone will have gone 2. By the time the troops arrived, the war ________. had ended has ended will have ended 3. Women ________ in US presidential elections since 1921. vote have voted had voted 4. By the time help arrives, the refugees ________ many weeks. waited have waited will have waited 5. The bus ________ by the time I got to the bus stop. has already left had already left will have already left 6. The plane ________ by the time we get through this traffic. has left will have left was leaving 7. My parents ________ on King Street for 50 years and they’re still there. live have lived will have lived 8. As soon as I saw her face, I knew I ________ her before. had met have met was meeting 9. By this time tomorrow, he ________ his exams. finished had finished will have finished 10. In July this year, they ________ 10 years. are married have been married will have been married 11. I ________ for hours for Li to reply, and I’m still waiting! have waited had waited am waiting 12. He didn’t realize that he ________ his keys until he got home. has lost had lost will have lost