| 1. Alan Kay has borrowed my notebook since …. .3 hours4 days5 monthsSundaytomorrow
|
| 2. Mr.Johnson has taught Computer for …. .1 yearslast yearlast monthtomorrow
yesterday |
| 3. …. he given your smartphone back already ?HaveAreHasIsAm
|
| 4. Bill Gates …. breakfast already.has hadhas havehas hashave havehave had
|
| 5. He …. given it back yet.have notdoes nothas not do notdid not
|
| 6. Have you seen this program …. ?justyetnowtomorrowyesterday
|
| 7. …. has tried to do his best.Them
Alan TuringTheySteve Jobs and Bill GatesWe |
| 8. Steve Jobs and Bill Gates …. washed the car yet.havehas notnot
not havehave not |
| 9. Has Steve had lunch …. ?justlast nightalreadynowtomorrow
|
| 10. That boy and his friend …. their way.do lostare losehad lose
have losthas lost |