Shanghai Waihuan Tunnel is already open to traffic, so it will take us ______ time to go to Pudong International Airport.

A．a few

B．fewer

C．a little

D．less

       地球绕地轴不停的旋转，叫做地球的                 ，方向是                        ；同时，地球也围绕太阳进行               ，方向是                      ，周期是                   。