It is on October 1,2009 that the People’s Republic of China ____ its 60th birthday.
I caught the last bus from town , but Harry came home ______ that night .
We will take _____ wants to go there for a sight-seeing .
I think the doctor is able to care of _____ is the matter with your son .
Let us not waste ______ time we have left .
_____ in thought , he almost ran into the car in front of him .