we are laid off, all of us will have to be retrained and improve ourselves.
A．Unless B．So that C．Until D．In case
-----Is this the first time you Quanzhou?
-----No. But the first time I here, the city wasn’t so beautiful.
A．visited; came B．visited; have come
C．have visited; have come D．have visited; came
After months of voyage, Columbus arrived in what later to be a new continent.
A．had been proved B．was proved C．had proved D．proved
we can’t remove our troubles in life forever, we can leave them behind when we are on vocation.
A．When B．While C．Unless D．Until
Many migrant workers, city life, wouldn’t like to move back to the countryside.
A．accustomed to B．being accustomed to
C．have accustomed to D．have been accustomed to
The system has been designed to give students quick and easy to the digital resources of the library.
A．way B．approach C．access D．association
