—I’m sorry I stepped outside for a smoke. I was very tired.
—There is no______ for this while you are on duty.
| A．reason | B．excuse | C．cause | D．explanation |
People are deeply struck by Forrest Gump because of his unselfish _______ to helping others.
| A．devotion | B．invitation | C．expression | D．protection |
In a room above the store, where a party _____ in half an hour, some workers are busily setting the table.
| A．was held | B．will be held | C．is being held | D．has been held |
Speaking of all the songs he has written, I think this is probably his _______ one.
| A．better-known | B．well-known | C．best-known | D．most-known |
The medicine works more effectively _______ you drink some hot water after taking it.
| A．as | B．until | C．although | D．if |
--- Bob, you are absent-minded!
--- Oh, I’m sorry I _______ attention to you, Miss Shute.
| A．haven’t paid | B．wasn’t paying |
| C．am not paying | D．couldn’t have paid |