___. A. law B. loyalty C. logic D. location 17. We should hire an ____ reviewer who isn't biased one way or the other. A. internal B. invisible C. irregular D. external 18. All her fans are attracted to her ____ personality. A. negative B. charmed C. passive D. ic 19. People are ina panic since a big trouble is looming on the ____. A. horizon B. horror C. honor D. height 20. The waterfall provided a ____ source of soothing background noise. A. continual B. consistent C. constructive D. complex Section B: Complete each sentence with a suitable word. 21 . Last weekend, I fell over and broke my toe. 22 . People who set fires tend into (to) be young males. There are very few female arsonists ( 纵火者). 23 . They had been involved in an argument from (with) two men he now knew to be Jack and John.