.
—Have you seen___________pen? I left it here this morning.
—Is it___________black one? I think I saw it somewhere.
| A．a, the | B．the, the | C．a, a | D．the, a |
“Charley Oakley, ______ NBA All-star, hasn’t missed ______ game in the past three years.” “I can hardly believe it.”
| A．an; the | B．a; the | C．the; a | D．an; a |
Apartments in cities can be quite high. Renters are paying up to $1,000 per month for _______ bedroom apartment.
| A．one a | B．the one | C．one | D．a one |
He spent too much time talking on ______ phone while we were all busy at _____ work.
| A．the, 不填 | B．a, 不填 | C．不填, 不填 | D．the, the |
As is known to us all, _____ tiger is in _____ danger of becoming extinct.
| A．the, a | B．the, 不填 | C．a, 不填 | D．不填, the |
This is _____ best kind of _____ pen you can get here.
| A．the, the | B．the, a | C．the, 不填 | D．a, the |