—— ＿＿＿＿＿ Betty this morning? —— Not yet, but she is sure to be here before noon. 

（2014年安徽省合肥市高三第三次教学质量检测）27. The general manager can't use his office at the moment, which ______.

While every possible means __________ to prevent the river pollution, the river in my hometown has still not been restored to its past beauty. 

— Why are the Woods selling their belongings?— They          to another city.  

— What do you want for breakfast, Joe? — I think I _______ some bread and milk.