The cause he had devoted himself to _______ a perfect success.

A. proving             B. proved                     C. was proved        D. has been proved

       ______along either bank of Huangpu River, trees and flowers added beauty to the newly-decorated bund.

A. Planting            B. Planted             C. To plant            D. To be planted

The problem of carbon emission ____ at Copenhagen Summit has aroused the public’s wide concern.

A. discussed                                       B. having been discussed      

C. being discussed                              D. to be discussed

The customers objected ____ unfairly in the course of shopping.

A. to be treated                                  B. their being treated    

C. to being treated                              D. having been treated

Dickens visited America in 1842, publishing American Notes on his return and ____ his experience in another book.

A. to include              B. including               C. to be included        D. included

The silence of the library is sometimes broken by a sudden cough or the sound of pages       .

       A．turning     B．turned      C．being turned     D．having turned

_______by the beauty of the piano music, the audience almost forgot to applaud when the pianist finally finished it.

       A．Having attracted      B．Attracted  C．To be attracted  D．Be attracted

_____ every day, the Internet provides readers with the latest news from all corners of the

world.

A. Update    B. To update    C. Updating    D. Updated

_____ on May Day, the Shanghai Expo has attracted tens of thousands of visitors around the

world every day.

A. Having opened    B. Opened    C. Opening    D. To open

Whenever he was asked why he was late for class, he would answer carefully, always          the same thing.
A. saying                        B. said                      C. to say               D. having said