2019年mpacc考试英语真题——连词38

{01}The secretary had to stay in her office all day ________ her boss might have something important to be typed．
A.in case
B.so that
C.until
D.when
解析：本句意为“那位秘书整天都待在自己的办公室里是怕老板有重要的东西要打印”。故应该用连词in case(以防万一)，其他的选项不符合句意，答案为A项。
本题选A。
{02}Stop making so much noise _________ the neighbors will start complaining．
A.or
B.and
C.so
D.yet
解析：
本题选A。