1. …. have been writing a program since 8 o'clock.ItHeIThem
She |
2. Michael Dell has been listening radio for …. .7 o'clock6 hourstomorrowsickyesterday
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3. Jeff Bezos has been swimming for …. .last Mondaylast nighta long timeSeptemberlast summer
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4. Have they been writing …. ?justforsinceall the eveningyesterday
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5. Gates and Jobs have been watching television …. 2 hours.sincealreadyforhasyet
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6. Our family has been living in Lampang …. May.foryetalready
justsince |
7. Bill Gates …. computer book all this week.has readinghas been readhas been readinghave
have been reading |
8. I have been …. all the evening.drovedrivedrivingdrived
drives |
9. Has it been …. all night?rainsrainrainingraineda rain
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10. …. our son been doing his assignment all night?HasHavingHadAreHave
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