1. When Jack arrived he learned Mary _______ for almost an hour.
2. Do you know our town at all? - No, this is the first time I _______ here.
3. We could have walded to the station; it was so near. - Yes, a taxi _______ at all necessary.
4. If city noises _______ from increasing, people _______ shout to be heard even at the dinner table 20 years from now.
5. Tom _______ into the house when no one _______.
6. We haven't heard from Jane for a long time. - What do we suppose _______ to her?
7. The students _______ busily when Miss Brown went to get a book she _______ in the office.
8. Has he found a new house? - Yes, he will move _______.
9. Did you wait for him very long? - Yes, I _______ to bed until five in the morning.
10. How long have you been here? - _______ here three weeks ago.
11. Did Mary come here and visit? - She _______ twice since March 1969.
12. What happened in that new area? - New houses _______ recently over ther.
13. How long? - Peter _______ for you since noon?
14. What will happen? - By next June we _______ a million colour TV sets.
15. Is nancy living here? - Yes, _______ here for the last four years.

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