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

—George, ___    _ you sing so loudly at such a late hour?

—I am terribly sorry．

A．will            B．may            C．must           D．shall

The truly homeless are the rich who __     _ their home into a hotel hall．

A．will turn                                    B．turned

C．are turning                                   D．have turned

__        is well known is that Africa had contacts with India and the Red Sea civilizations from the earliest times．

A．As            B．It             C．What            D．That

__       three times in a row, the boxer decided to make a fourth attempt, though．

A．Having defeated                                     B．To have defeated

C．Having been defeated                               D．To defeat

Not until they left school ___      how much their teachers loved them and helped them．

A．they realized                                  B．did they realize

C．they had realized                                  D．had they realized

It is hard to imagine what I ___       today if I hadn't been admitted to Nankai Middle School 15 years ago.

A．would have done                                     B．will do

C．am doing                                            D．would be doing

One in five humans ___       access to safe drinking water by 2080．

A．is said lacking                          B．is said to lack

C．are said to lack                   D．are said lacking

Mass media questioned the ___       _ of the information in the report．

A．accuracy                      B．advantage

C．administration                           D．approach

The traffic rule says young children under the age of four and __     _ less than 40 pounds must be in a child safety seat．

A．weighing          B．weighed         C．being weighed           D．to weigh