The disc, digitally_____ in the studio, sounded fantastic at the party that night.
A. recorded
B. recording
C. to be recorded
D. having recorded
With a lot of difficult problems ______, the manager felt worried all the time.
A. to settle
B. settling
C. settled
D. being settled
All the thing______,his proposal is of greater value than yours.
A. considered
B. considering
C. to consider
D. consider
______ as the “First Lady of Speech”, Dr Lillian Glass is recognized as one of the world’s leading experts on communication skills.
A. Knowing
B. Having known
C. Known
D. To be known