1. Boats float in the direction of wind if they __________________ (not control).
2. We can never catch up with the fashion because it _______________ (change) all the time.
3. Since he fell off the bike, Tom ________________ (lie) in bed for nearly two weeks.
4. ---Why didn’t you go to the cinema with us this afternoon?
---I ______________ (wait) at the station for my uncle from Beijing.
5. In the film, a cowboy is found __________ (die) in his house and doctors are busy in and out.
6. ---David promised to have supper with us.
---But I think he _______________ (not come). I’ve waited for half an hour.
7. Unluckily, when we got to the airport, the plane ______________ (take) off.
8. He told me that he _______________ (return) home before 6 o’clock, but he didn’t.
9. She will go on holiday as soon as she ________________ (finish) the work.
10. The trip was free and the fare _______________ (pay) by the warm-hearted man called Bill.
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