Wang Wei is one of many Chinese students _______ “on the go”.

wice, the postman refused to deliverour letters unless we chained our dog

t remember when ______ turning point occurredexactly, but it might be ______ summer morning when I was in New York

The twins were so much alike that we had great trouble ________ one from the other.[ ]

They waited for _______ seemed to be a long time, hoping that rescue would come.