He let me repeat his instructions_____ sure that I understood what was _____ after he went away.
| A．to make; to be done | B．making; doing | C．to make; to do | D．making; to do |
—Excuse me, sir. You can’t enter ________ office without ________ permission.
—But the manager is expecting me.
| A．the; a | B．an; the |
| C．the; 不填 | D．不填；不填 |
Cooking calls for ________ patience and time but it is ________ enjoyable experience.
| A．a; the | B．不填；an |
| C．the; an | D．a; 不填 |
Beijing and ________ European Union agreed on Tuesday to set up ________ working group to promote hightech sales to China.
| A．/；a | B．the; the |
| C．the; a | D．/; the |
________ 2010 Shanghai World Expo was ________ honor for all of the Asians.
| A．The; the | B．不填； an |
| C．The; an | D．不填； the |
—Who would have expected that a story about an 11yearold boy wizard would turn into ________ multibillion dollar business?
—That's ________ magic of the Harry Potter series.
| A．/; the | B．a; the |
| C．a; / | D．the; / |