根据首字母，中文或括号里词的适当形式填写单词。只限填Module 7 Unit 3 - Unit 5的单词。（共10小题；每小题1分，满分10分）
They encouraged the students to p________ in the running of the class.
He was so generous that he d________ thousands of pounds to charity.
What skills are needed to o________ this advanced machine?
The sports meet which is held a________ in our school is an exciting activity.
We have a________ (大量的) evidence to prove that he is right.
The elderly are afraid of ________ (遗弃) to the care of strangers.
Recent years ________ (见证) a great improvement in the relations between the two countries.
The children have been a great c________ (comfortable) to me through all of this.
It’s considerate of them to provide us with the basic ________ (require) of life.
Jack does some v________ (volunteer) work in the community at weekends.