The beautiful city Qingdao,__________ on the east coast of China, attracts a lot of tourists every year.
The experts advised ____________ our army ____________ modern weapons.
Could I speak to ____________ is in charge of the company?
What I need is ___________ book that contains ____________ ABC of oil painting.
It was in the Xichang Satellite Launch Center , ________ I had visited, ________ Chang’eⅠwas launched at about 6:05 pm October 24, 2007.
After the class was over, the student apologized _______ the teacher ______ his coming late.