| 1. Alan Kay has borrowed my notebook since …. .Sunday5 months3 hours4 daystomorrow
|
| 2. …. has tried to do his best.TheySteve Jobs and Bill GatesAlan TuringThem
We |
| 3. …. he given your smartphone back already ?Am
HaveIsAreHas |
| 4. Bill Gates …. breakfast already.has havehas hashave had
have havehas had |
| 5. Mr.Johnson has taught Computer for …. .last month1 yearslast yearyesterdaytomorrow
|
| 6. That boy and his friend …. their way.had lose
do losthave losthas lostare lose |
| 7. He …. given it back yet.has not have notdo notdoes notdid not
|
| 8. Steve Jobs and Bill Gates …. washed the car yet.havenot havehave nothas notnot
|
| 9. Have you seen this program …. ?tomorrownowjustyetyesterday
|
| 10. Has Steve had lunch …. ?justlast nightalreadynowtomorrow
|