The truly homeless are the rich who __ _ their home into a hotel hall．
A．will turn B．turned
C．are turning D．have turned
—George, ___ _ you sing so loudly at such a late hour?
—I am terribly sorry．
A．will B．may C．must D．shall
All the drivers have been warned that driving after drinking shall __ __ serious accidents．
A．bring up B．bring back C．bring in D．bring about
Depression is the leading cause of suicide, __ __ in turn is the third leading cause of death among 15 to 24 year olds in the United States．
A．who B．which C．that D．what
Everyone agrees that the Philippine police ____ for the tragedy that Hong Kong tourists were killed．
A．are to blame B．are to be blamed
C．are being blamed D．have blamed
In ___ year 751, the Chinese traveler Du Huan was taken __ _ prisoner by the Arabic army．
A．a, the B．/, the C．the, a D．the,/
