Dr.Peter Spence, ________ headmaster of the school, told us, “________ fifth of pupils here go on to study at Oxford and Cambridge.”

A．/；A  AB．/；The  C．the；The  D．a；A

Many lifestyle patterns do such ________ great harm to health that they actually speed up ________ weakening of the human body.

A．a；/  B．/；the  C．a；the  D．/；/

It's ________ good feeling for people to admire the Shanghai World Expo that gives them ________ pleasure.

A．/；a  B．a；/  C．the；a  D．a；the

Some people fear that ________ air pollution may bring about changes in ________ weather around the world.(2009·江西)

A．/；the  B．the；/  C．an；the  D．the；a

Sam has been appointed ________ manager of the engineering department to take ________ place of George.(2012·重庆)

A．/；/  B．the；/  C．the；the  D．/；the

Eggs are sold by ________ dozen while the meat is charged by ________ weight.

A．the；the  B．the；/  C．/；the  D．/；/

Last Sunday，we took ________ guided walk around by ________ signs of the famous town.

A．the；the  B．a；/

C．the；/  D．a；the

________ China's growth is not ________ threat to others.On ________ contrary, it will bring more opportunities to the world.

A．The；a；/  B．The；/；the  C．/；a；/  D．/；a；the

Obama has been elected ________ first black President of the United States, and the international society expects to have ________ new USA under his leadership.

A．/；the  B．a；the  C．the；a  D．the；the

The biggest whale is ________ blue whale，which grows to be about 29 meters long—the height of ________ 9－story building.

A．the；the  B．a；a  C．a；the  D．the；a