The sleeping baby would be scared _______ a sudden loud noise.
A．was there B．there was C．should there be D．there should be
Life isn’t meant to be easy and you have to _______ some pain to 1earn the skills to move forward.
A．get across B．go over C．get into D．go through
One can’t do extreme sports _________ he or she has had some training.
A．if B．unless C．once D．since
--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
