17、________ helps teenagers to stay healthy．

A．To exercising          B．Exercises                    C．Exercising                D．Exercised

16、--You have made great progress in English．

--________．That's why I got an A in the English exam．

A．So I have             B．So have I             C．So I do               D．So do I

15、--Is Bohai Bridge open to the public yet?

--Yes．It ________ for almost one and half months．

A．has opened           B．has being opened          C．has been open              D．was open

14、I find ________ important ________ how to behave politely before going abroad．

A．it's，learned          B．it，learning           C．it's，learning              D．it，to learn

13、The girl is ________ young to make her own decisions．

A．too               B．very              C．so                  D．such

12、To keep safe，everyone in the car ________ to wear a seat belt．

A．supposes             B．will suppose            C．supposed                 D．is supposed

11、--Mom，could I have an MP3 like this?

--Certainly，we can buy ________ one，but it's as good as this．The price of this kind is a little high．

A．a cheap          B．a cheaper                  C．a small              D．a smaller

10、--What made you so ________．

--The noise upstairs．

A．angrily                 B．angry               C．happy                D．happily

9、--Excuse me．Could you tell me ________ get to the airport?

--Of course．Go straight along here．

A．how we can          B．how can we         C．when can we             D．when we can

8、There is an ID card on the ground．Please ________．

A．give it up               B．pick it up             C．put it up                 D．put it down