22.The unemployment rate in this city ____ from 7% to 6% in the past two years.
He was told it would be at least three months______ he could recover and return to work.
Health problems are closely connected with bad eating habits and a______ of exercise.
----Do you think that the housing price will keep ______ in the years to come? ------ Sorry; I’ve no idea.
____team wins on Saturday will go through to the national championship.
So difficult ___it to work out the problem that I decided to ask Tom for advice.