1.He has made an important contribution (contribute) to the company's success.
2.He was very strict with himself when he was young.
3.The trade union movement (move) is concerned with working conditions.
4.We explained our plans and he was very enthusiastic (enthusiasm) about them.
5.The bridge under construction (construct) will be open to the public next year.
6.It is universally (universe) known that the earth is round.
7.What he said was revolutionary (revolution).
8.Everything has two sides,the positive side and the negative side.
9.Over 2,000 people were in attendance (attend) at yesterday's demonstration.
10.We rejected (rejeet) his idea for a music club, and decided to have an art club instead.