根据首字母及汉语提示补全单词
II was very woried because my favourite book went (丢失的).
2.The police fnally caught the murderer according to the____ ( 线索).
3.Why don' t you believe the___(真相 ) of the thing?
4.Everyone knows he is(说 谎) at the moment,
5.I_(猜 ) there is something wrong with the watch.It doesn' t work.

根据句意用所给词的适当形式填空
1.His room looks very_____ ( tidy )Let' s help him clean it.
2.Now the air pollution is becoming much__________ ( serious ) than before.
3.The ( high )of the mountain is 2,000 metres.
4.The schoolboy is interested in reading ( detect ) stories.
5.The wealthy girl looks beautiful.She ( dress ) by a famous dressmaker.