.Xinyu, a city dubbed as “a pearl in western Jiangxi province”, was struck by a heavy rain last week, ________ serious traffic problems.

Mary hasn't decided whether to take up tennis, basketball, or ___.

With a lot of difficult problems_____, the newly-elected president is having a hard time. 

Recently a survey ____ prices of the same goods in two different supermarkets has caused a heated discussion among citizens.

She prepared a great meal to ______ the help of her neighbors in finding her lost little daughter.