问几道语法题（有高附加分）Conflictsbetweenlanddevelopersandconsevationistshaverepeatedly（arose）,（causing）Congresstoreconsiderlegislation（thatprohibits）building（withinhabitats）ofendangeredspecies.(Quick

Question

问几道语法题（有高附加分）
Conflicts between land developers and consevationists have repeatedly （arose）,（causing） Congress to reconsider legislation （that prohibits） building （within habitats） of endangered species.
(Quick to) (take advantage) of MJ's (preoccupation in) the history of the J family,the genealogist proposed investigating (that) history--for a large fee.
答案是PREOCCUPATION IN~一样的~
两道都解释正确的有50点的奖励.

Answer 1

1.arose改为arisen,因为前面有have,是have done,表示已经...,要用过去分词,所以arise要用分词arisen
2.preoccupation with是固定搭配,不能用in