有个完形填空，帮忙跪求答案！

1、Salaries for ________ positions seem to be higher than for permanent ones.A、legal B、optional 　C、voluntary 　 D、temporary2、I have established a good working ______ with my boss.A、relationshipB、relativeC、associationD、relaxation3、Electricity, like other forms of ____ has greatly increased in price.A、strength B、force C、power D、energy4、Features such as height, weight, and skin color _______ from individual to individual and from face to face.A、changeB、varyC、alterD、convert5、I’m feeling too tired to drive any more; will you take _________ ?A、afterB、overC、onD、in

BADAA DDB(D)AC