He was _____________ when he discovered that he didn't have enough money to pay for the red wine he had ordered.
A. embarrassed
B. polished
C. emotional
D. efficient
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During our stay in Europe we visited many places of ______ interest, including several castles.
A. emotional
B. efficient
C. polished
D. historical
When she heard it was snowing in the city they were going to, she _________ two more sweaters into her bag.
A. embarrased
B. polished
C. awaited
D. stuffed
Mary was a careful speaker; every word seemed to have been _________ before it is allowed to escape through her lips.
A. embarrassed
B. polished
C. curbed
D. awaited
Thanks to the __________ of air transport, everyone is free to go anywhere at any time.
A. embarrass
B. polish
C. efficiency
D. donation