The artist，whose early career was far from being________success，is now widely recognized as________master of painting.
A．/；a B．/；the
C．a；a D．a；the
．We can never expect _________ bluer sky unless we create _________ less polluted world.
A．a；a B．a；the
C．the；a D．the；the
Huangshan is ________ most beautiful tourist site and I want to visit it ________ second time next month.
A．the；the B．the；a
C．a；a D．a；the
He was elected________president of the company，and________news came，in fact，as________surprise.
A．a；the；/ B．/；the；a
C．a；/；the D．the；the；a
Sometimes she talks with Mary over ________ telephone，that is to say，they keep in touch with each other by ________ telephone.
A．the；/ B．/；/
C．/；the D．the；the
As is known，it was Hu Jintao，________ president in our nation，who gave ________ lecture at the opening ceremony of the Beijing 2008 Olympic.
A．the；a B．the；/
C．a；the D．/；a
