______ the train, they decided to wait for another. 

That was such an____question that it made me____,not knowing how to answer.

___ used ___ in a foreign country needs time .

 We looked everywhere for the keys, but they are nowhere _______.

 Two weeks ago in Guangzhou, a two-year-old girl, Yue Yue, was hit by a car seriously and left lying on the road with no one offering help, _____ a heated discussion on the Internet .