________that I could use a special piece of cloth to attract people's attention, I decided to do an experiment.

“XiJinping's report, ” a smile on his face, he continued, “_____ to several hot topics, discusses how to increase peasants' income.” 

The place he suggested to us ______ the meeting is a five-star hotel.

_____ sweet and good, the birthday cake was soon eaten up by those children. 

. There have been several new events______ the program for 2012 long Olympic Games.