【单选题】The unemployment rate has become much lower ______ the government took these measures. prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
but
B.
since
C.
if
D.
while prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace>
【简答题】Cleveland has won the distinction of being the worst city in the United States, according to a new survey. The city has high unemployment, terrible weather, heavy taxes, and ordinary sports teams, all...