John thought it wouldn’t be long _____ he was ready for his new job.
A．since B．when C．before D．after
The general demanded that the soldiers _____ at the village before 5p.m. to rescue the victims of the earthquake.
A．will arrive B．arrive C．would arrive D．arrived
Jack doesn’t smoke now, but he _______ for almost twenty years.
A．was smoking B．had smoked C．has smoked D．smoked
The manager says he really can’t ______to wait another day, because he is so busy.
A．afford B．waste C．spend D．cost
______ of danger in the street at night, she had to go home, with a friend _____ her.
A．Warned ; accompanied B．Warning; accompanying
C．Having warned; accompanied D．Having been warned; accompanying
Private cars are required to take turns off roads one out of five weekdays ___the traffic pressure.
A．relieve B．relieving C．torelieve D．relieve
