—When were you born?
—I was born ________ the morning of February 25th,1997.
| A．to | B．on | C．in | D．at |
There is ＿＿＿ map in the classroom. ＿＿＿ map is on the wall.
| A．a, A | B． the, The | C．a, The | D．the ,A |
He will be back in ＿＿＿ hour.
| A． / | B． the | C． a | D． an |
What ＿＿＿ interesting book it is?
| A．a | B． an | C． the | D． / |
English is＿＿＿ useful language in ＿＿＿ world.
| A． an, the | B． a, the | C． the, / | D． /,the |
There is ＿＿＿ orange in the bottle.
| A． a | B． an | C． the | D． / |