The price in different countries will be based________and local economic conditions.
A．in advance B．in conclusion C．on demand D．at all costs
It was a long time before the police________what he was really doing.
A．caught hold of B．caught up C．caught on to D．caught at
Lan Lan _______her pace of walking home fearing that it was going to rain.
A．accelerated B．slowed C．stopped D．returned
People believe that we ______a special ability to learn language and that our brain _____ itself to the language we hear.
A．are prepared for；adjusts B．are equipped for；adapts
C．are armed by；fits D．are equipped with；adjusts
It is immediately obvious that water is to be _______ to the development of life.
A．compulsory B．controversial C．fundamental D．supreme
-- May I speak to your manager Mr. Williams at five o’clock tonight?
--I’m sorry. Mr. Williams _______ to a conference long before then.”
A．will have gone B．had gone C．would have gone D．has gone
