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 |
The managing director took the _____ for the accident, although it was not really his fault.
| A．guilt | B．charge | C．blame | D．accusatio |
. More than one-third of the Chinese in the United States live in California, _____ in San Francisco.
A. previouslyB. predominantly C practicallyD. permanently
No one has _____ been able to trace the author of the poem.
| A．still | B．yet | C．already | D．just |
She was afraid that unless the train speeded up she would lose her _____ to Scotland.
| A．ticket | B．place | C．seat | D．connection |
Henry's news report covering the conference was so _____ that nothing had been omitted.
| A．understanding | B．comprehensible |
| C．comprehensive | D．understandable |