2019年mba考试英语模拟题——连词1327

{01}They wanted to charge $5,000 for the car, ________we managed to bring the price down. A.but B.so C.when D.since 解析：两个分句之间是转折关系，故用并列连词but。
本题选A。
{02}You have failed two tests.You"d better start working harder, ________you won"t pass the course. A.and B.so C.but D.or 解析：考查“祈使句＋and/or＋陈述句”。因为祈使句与后面的陈述句所表达的内容是对立的关系，故用or(否则)。
本题选D。