Matching Pairs FX6_U5_vocab01Online version vocabulary - Mystery solved! by Cláudio Fleury 1 surroundings (n.) 2 uncover (v.) 3 case (n.) 4 theory (n.) 5 solve (v.) 6 observation (n.) 7 aggressive (adj.) 8 mystery (n.) 9 clue (n.) 10 twist (v.) 11 absorb (v.) 12 unharmed (adj.) acting in an angry or violent manner a formal idea that is intended to explain something something that is difficult to understand or explain to find an answer to a problem or crime to discover somehting previously unknown or hidden to reduce the force of something; to soak up; to take in the immediate area around you not hurt or damaged in any way something that helps you find the answer to a problem situation or incident the act of carefully watching someone or something to turn