--David, are you 1istening to me?
--Sorry, Dad. I _______ to make sense of what the reporter said.
A．was trying B．have tried C．am trying D．tried
The road construction is based on the agreement, one of _______ purposes is to ensure its completion on time.
A．which B．whose C．that D．what
Many approaches have been _______ to control the spread of H7N9 Bird Flu.
A．adapted B．employed C．negotiated D．accessed
–Carla _______ go to that historical museum after school when she was a teenager.
--No wonder she is so familiar with it.
A．could B．should C．might D．would
It is unfair that one can enjoy _______ just because he or she is rich or powerful.
A．privilege B．possession C．principle D．position
--Sir, I feel it complicated to apply to a university abroad.
--Why not read our guide? This is ________ the relevant information is available.
A．what B．how C．where D．that
