The bus to the Forbidden City runs on ________ hour by ________ hour.
A．the；the B．an；the
C．the；/ D．an；/
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
