| 1. Alan Kay has borrowed my notebook since …. .4 daysSunday3 hours5 monthstomorrow
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| 2. Has Steve had lunch …. ?justlast nightalreadynowtomorrow
|
| 3. Bill Gates …. breakfast already.have had
has havehave havehas hadhas has |
| 4. …. he given your smartphone back already ?HasHaveIsAreAm
|
| 5. He …. given it back yet.does nothas not have notdid not
do not |
| 6. Have you seen this program …. ?yetnowyesterday
tomorrowjust |
| 7. That boy and his friend …. their way.has lostdo lostare losehave losthad lose
|
| 8. Steve Jobs and Bill Gates …. washed the car yet.not
havehas notnot havehave not |
| 9. Mr.Johnson has taught Computer for …. .last yearlast monthyesterday1 yearstomorrow
|
| 10. …. has tried to do his best.TheyWeSteve Jobs and Bill GatesAlan TuringThem
|