Eregulations and compete on the principle of fairness and cooperation.

The lift in that tall building went wrongand got trapped _____ floors People in it had no way to get out

He told us a lot of funny stories which _____ us all. We all laughed happily.

Beijing is ranked first in terms of traffic jams and expenses for culture ________ Guangzhou is more open to peasant workers than Beijing and Shanghai

I am afraid he’s more of a talker than a doer, which is ______ he never finishes anything.