| 1. That boy and his friend …. their way.have lostare losehas lostdo losthad lose
|
| 2. Have you seen this program …. ?yettomorrowjustnowyesterday
|
| 3. …. has tried to do his best.Them
Alan TuringWeTheySteve Jobs and Bill Gates |
| 4. …. he given your smartphone back already ?HaveIsAm
AreHas |
| 5. Has Steve had lunch …. ?tomorrow
justnowlast nightalready |
| 6. Steve Jobs and Bill Gates …. washed the car yet.have nothavehas notnot havenot
|
| 7. Bill Gates …. breakfast already.has havehave havehas hadhas hashave had
|
| 8. Alan Kay has borrowed my notebook since …. .tomorrow
4 days5 monthsSunday3 hours |
| 9. He …. given it back yet.have notdoes nothas not do notdid not
|
| 10. Mr.Johnson has taught Computer for …. .1 yearsyesterdaylast yearlast monthtomorrow
|