Complete the sentences with the new words: stubborn, mature, quick-tempered, bigheaded, ambitious, easy-going, reliable. 1) jack knew he would become successful one day. he was very , and even at the age of 21 he had already planned out his career in great detail. 2) little alice is very , she never changes her mind and always wants to do everything her own way. 3) everybody wants to work with him. he is so pleasant, nice and . 4) nicholas was violent, , and always seemed to be shouting at people. 5) girls tend to become more quickly than boys. they become more like adults at an earlier age. 6) jane always does what she promises to do. she is very . 7) fred is really . he believes that he is very clever and very good at everything he does. but in fact this is not so.