一、根据句意及汉语提示完成单词
1．A fish moves its ________ (尾巴)to swim.
2．He was able to________ (射击)down a flying bird with his gun.
3．He could not tell whether the floor was wood or ________(石头)．
4．He told me the news in a very ________(兴奋的) voice.
5．The music often ________ (使想起) me of my father.
