7、trealisetheimportanceofstudy____theyleftschool.A.whenB.whileC.afterD.until1. We have lived in this city __________ I movedhere in 1990.2. Have you decided what you want to be _________you grow up?3. Don't worry, I'll phone you __________I get thenews.sincewh
8、enassoonas4. The drunk man didn't leave the station _______the police came yesterday.5. I haven't heard from him __________ he went toAmerica .6.I waited __________ he came back.untilsinceiuntil