More than 70 percent of the playground in our school __ covered by water now.
| A．are | B．is | C．were | D．be |
She removed ________ hat she was wearing and tried on ________ black silk one.
| A．a; a | B．the; the |
| C．the; a | D．a; the |
He wants to see ________ much stronger China within ________ rest of his life.
| A．/; a | B．a; / |
| C．the; a | D．a; the |
—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 |