中考英语冲刺语法练习（三）
79.Mr Wang has worked thereit opened. A．because B．since C．for D．so 80.We'll go to visit the Great Wallit doesn't rain tomorrow. A．since B．before C．when D．if 81.I came into the office, the teachers were having a meeting. A．When B．While C．Which D．Since 82.It's a long timewe met last. A．before B．after C．since D．so 83.I didn't watch TVI finished my work. A．after B．when C．while D．unti