The weekend program of special activities for handicapped children was a great success thanks to those who generously （） their time.

单项选择题The research and development section is currently experimenting with two new （） which should reduce production time without affecting quality.

A.proceeds
B.processing
C.processes
D.proceedings

单项选择题While the Sales Department has been （） in marketing our new range, we have been let down by our quality assurance section.

A.accomplishing
B.mindful
C.successful
D.climbing