2019年mpacc考试英语真题——连词99

{01}Junk messaging has been a headache for years,______the action taken by the authori-ties has not yet produced the results expected.
A.as
B.but
C.so
D.before
解析：试题分析：考查连词：句意：垃圾消息是多年以来一直让人头痛的事情，但是政府采取的行动还没有达到预想的效果。两句话是转折关系，用but，as正如，so因此，before在….前面，选B。
考点：考查连词
本题选B。
{02}Our business suffered greatly ________ what he did．
A.even if
B.because of
C.since
D.because
解析：
本题选B。