根据句意及提示,写出句中所缺的单词。
1.Do you play an _______(积极的) part in the class activities.
2.
—Your white blouse _____________(与……相配) your black trousers
very well.
—Thank you.
3. My uncle is an (精力充沛的) businessman. He
always works till midnight.
4. He lives a simple life. He
likes _____________(储蓄) money.
5.
Dr Bethune was busy performing an __________(手术) on the dying man.