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I. Write the verbs in the correct tense.
1. She paid for her ticket and ____________ (leave).
2. I closed the door quietly because he ____________ (try) to sleep.
3. How many times ____________ (she call) since he came to New York?
4. I ____________ (know) about this for some time now.
5. The children are filthy. Where ____________ (they be)?
6. Mary was cleaning the windscreen when she ____________ (notice) a crack in the glass.
7. I couldn’t open the office door because someone ____________ (lock) it.
8. I agree: I ____________ (not think) you should apologize.
9. When I phoned her, she ____________ (do) her homework.
10. When I shouted, they ____________ (jump) off the roof and ____________ (run) away.
11. Don’t phone her just now. She ____________ (talk) to her boss.
12. Oh! You ____________ (have) a shave! You look strange without a beard!