The time will not be far away ________ modern communications will become widespread in China’s vast countryside.

A．as         B．until            C．before          D．when

You can not blame TV stations because they need to make money from advertisements _________ programs.

A．inside and out of                                     B．before and after

C．during and between                                   D．within and among

No agreement can be arrived at ______the factory promises to solve the problem of pollution.

A．except that                                               B．only if  

C．on condition that                                      D．now that

It is clear that the whole world is passing through a social revolution in which a central ___ must be taken by scientists and technologists.

A．process    B．action       C．part   D．measure

______twice a year, whether it is a car or a truck, is a rule that every driver must obey in this city.

A．Examining                                               B．Examined   

C．Having been examined                              D．Being examined

I ______ to get there before 5 o’clock, but now the rain is pouring down. They ______for me impatiently.

A．promised ; must be waiting                        B．have promised ; ought to wait

C．promise; may have waited                         D．will promise; could wait

—It is said that Jack is very rich and is always changing his private cars .What is he?

—__________ , I am not sure .

A．Somebody of a manager                            B．Anyone of a manager

C．Something of a manager                                 D．Anything of a manager

The teacher went up to the sleeping student and patting him on the head, ____________.

A．waking him up            B．to wake him away

C．woke him up                D．waken him away

Sorry, the other rooms have been rented, this is the only ______ one.

A．available       B．adoptable      C．approachable         D．accessible

______ the right decisions ______ the future is probably the most important thing we’ll ever do in our lives.

A．Making; concerned                                      B．Make; concerning

C．To make; concerned                                    D．Making; concerning