The silence of the library was sometimes broken by an occasional cough or by the sound of pages _______.
A. turned B. having turned C. to be turned D. being turned
All her time _______ experiments, she has no time for films.
A. devoted to do B. devoted to doing
C. devoting to doing D. is devoted to doing
There is a new problem involved in the popularity of private cars _______ road conditions need _______.
A. that … to be improved B. which … to be improved
C. where … improving D. when … improving
Let’s observe another little scene, ________you might have in your new life to come.
A. what B. as C. where D. that
I felt it a great honour ______ to speak to you.
A. to ask B. asking C. to be asked D. having asked
Tony was very unhappy for _______ to the party.
A. having not been invited B. not having invited
C. having not invited D. not having been invited
