The members of the board are discussing the problem right now; it will _____ have been solved by the end of next week．

 We had our bad times but on the whole we are ____ happy with our life.

The lively boy suddenly appeared to be ________ quiet, so his mother knew something unusual must have happened.

— You keep on coughing. What's the matter?  — Oh， I've got a cold. Nothing serious， ____. 

Our country will try to make greater progress in improving people's living conditions，________low­income families.