| 1. Alan Kay has borrowed my notebook since …. .3 hours4 days5 monthsSundaytomorrow
|
| 2. Bill Gates …. breakfast already.has havehave havehas hadhas hashave had
|
| 3. …. has tried to do his best.Alan TuringTheySteve Jobs and Bill GatesWeThem
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| 4. Have you seen this program …. ?yesterday
yetnowtomorrowjust |
| 5. Mr.Johnson has taught Computer for …. .last yearlast monthyesterday1 yearstomorrow
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| 6. Has Steve had lunch …. ?alreadyjustnowlast nighttomorrow
|
| 7. Steve Jobs and Bill Gates …. washed the car yet.not
havenot havehave nothas not |
| 8. He …. given it back yet.did not
have notdo notdoes nothas not |
| 9. …. he given your smartphone back already ?Am
HaveIsAreHas |
| 10. That boy and his friend …. their way.has lostdo lostare losehave losthad lose
|