1 . You should try to get a good night’s sleep ______ much work you have to do.

A．however	B．no matter
C．although	D．whatever

2 . Though it is 30 years_______we last met, I still remember the scene_______we got separated on a rainy day.

A．before; where

B．before; which

C．since; when

D．since; where

3 . The best way to deal with an impolite person is to______him.

A．ignore	B．neglect
C．omit	D．overlook

4 . Studies show that people are more likely to________from back problems if they always sit before computer screens for long hours.

A．suffer	B．escape
C．graduate	D．prevent

5 . In time of war, different parties tend to________their political differences to fight against foreign invaders shoulder to shoulder.

A．pick up	B．relate to
C．set aside	D．give away

6 . Can you arrange the numbers in groups that________10?

A．adding up to	B．are added up to
C．are adding up to	D．add up to

7 . If we let this situation go as it is, our environment will _________ a great destruction.

A．suffer	B．allow
C．apply	D．deliver

8 . All these donations must be delivered immediately________in time for Christmas.

A．so as to have received	B．in order to be received
C．so as to receive	D．in order to be receiving

9 . Seeing the looks on their faces，we can't really imagine what they are________.

A．going by	B．going up
C．going through	D．going on

10 . This novel was concerned______the Second World War，while most teenagers are more concerned______the hero’s love story.

A．with；about	B．with；at
C．for；about	D．about；with