2019年mpa考试英语真题——介词和介词短语283

{01}People couldn’t help ________ the foolish girl．
A.laugh at
B.to laugh at
C.laughing at
D.laughing
解析：
本题选C。
{02}Believe it or not, weather forecasts seven days in advance are, ________, wrong half the time, according to a US survey．
A.at first
B.in brief
C.on average
D.by chance
解析：语境中考查固定习语的运用。句意：信不信由你，根据美国的一项调查，提前七天的气象预报平均半数时间有误。
本题选C。