表示时间的连词练习.ppt

选择when、before、since或until填空：
1)Fewpeoplewillpayfullattentiontotheirhealth_________theygetcertainincurabledisease.
2)Letmetakedownwhatyouhavesaid__________Iforget.
3)Itmaytaketenyearsormore_____________thescientistscanfindacureforAIDS.4)Itisseveralweeks_________myfatherwasdrunklasttime.
5)WewerechattinghappilyontheInternet_________thelightwentout.
6)Threeyearshadpassed___________Iknewit.
7).Itwasalready11o’clock______wegotthere.
8).Itwasaround8o’clock_____wegotthere.9).---It’ssaidthatJohngotmarriedtoaChinesegirl.
--Oh!Really?Whenwasthat?
--Itwasin2004_____heworkedinYunnan.