To test eggs, _______ them in a bowl of water: if they float they’re bad, if they sink they’re good.
Up to now , some less well-off people __________ into the public rental house in Chongqing .
Every Friday is the school open day , __________ parents can go to the class to observe it .
The royal wedding of William , __________ Britain’s prince , and kate , __________ ordinary girl , draws the worldwide attention .
Just as I am busiest , __________ you come bothering me with some questions now ?
--- Do you need more fish ? --- __________ .