71.ability=capacity, capability(the same as ability)

　　72.strange=eccentric(if some one is eccentric, s/he behaves in a strange way, or　his/her opinion is different from most people)

　　73.rich=affluent(if you are affluent, you have a lot of money)

　　74.use= utilize (the same as use)

　　75.dubious=skeptical(if you are skeptical about something, you have doubts on it.)

　　76.satisfy=gratify (if you are gratified by something, it gives you pleasure and　satisfaction)

　　77.short=fleeting, ephemeral(if something is ephemeral, it lasts a short time)

　　78.scholarship=fellowship

　　79.angry=enraged(extremely angry)

　　80.smelly=malodorous(used to describe an unpleasant smell)