| 1. …. has tried to do his best.TheySteve Jobs and Bill GatesAlan TuringThem
We |
| 2. Mr.Johnson has taught Computer for …. .tomorrow
last month1 yearslast yearyesterday |
| 3. Alan Kay has borrowed my notebook since …. .4 daysSunday3 hours5 monthstomorrow
|
| 4. Steve Jobs and Bill Gates …. washed the car yet.have nothavehas notnot havenot
|
| 5. …. he given your smartphone back already ?Am
HaveAreHasIs |
| 6. That boy and his friend …. their way.do losthave losthas lostare losehad lose
|
| 7. He …. given it back yet.has not have notdo notdoes notdid not
|
| 8. Have you seen this program …. ?justyetnowtomorrowyesterday
|
| 9. Has Steve had lunch …. ?tomorrow
justlast nightalreadynow |
| 10. Bill Gates …. breakfast already.has havehave havehas hadhas hashave had
|