1 - b) he worked as a cleaner for six months. (regula de la punctul C.)
2 - a) she sounds like her mother on the telephone. (regula de la punctul A.)
3 - b) i shall finish this report by friday, as we agreed. (regula de la punctul D.)
4 - b) pleaae sit quietly as your teacher has asked. (regula de la punctul B.)