Выберите правильный союз.
1.Mark can’t leave his job ... he has found another one. (A as soon as / В until / C when)2.My son’s hair got darker ... he got older. (A as / В if / C as long as)3.I’ll lend you this book ... I have finished reading it. (A unless / В in case / C when)4.… I lived farther from the school than any other pupil, I was often the last to arrive. (A Although / В Despite /C Since)5.I stood on a chair ... I could reach the upper shelf. (A because / В so that /C as)