1 this singer is not very pretty but she sings very ... ( beautiful ) 2 mel gibson is a ... actor ( talent ) 3 there are significant... between American English and British English ( differ ) 4 Japan is an .. country ( industry ) 5 Kate's ... has kept her away from school forr a week ( ill ) 6 This knife is ... it doesn't cut at all ( use ) 7 some students in my class are starting to learn another language and they find it ... ( enjoy ) 9 the news causes great .. among her friend ( excite ) 10 many scientists do not belive in the ... of UFOs ( exist ) 11 Although they are very rich , they are living ... ( happy ) 12 Fluoride .. your teeth , thus preventing tooth decay ( strong ) 13 only the very ... could afford to travel overseas ( wealth ) 14 she gained international ... as a tennis player ( famous ) 15 you can't work all the time . you need some rest and ... ( relax ) 16 the kids were ... about the holiday ( excite ) 17 she is so busy with .. activities that she has no time for entertainment ( society ) 18 many rivers have been found ... with filthy waste from factories ( pollute ) 19 a helmet affords the cyclist some fegree of ... against injury ( protect ) 20 the house is large but it is in need of ... ( modern )