2019年mpa考试英语真题——连词857

{01}He waited with his companion_________the rescuers came, and then helped them carry her back down the mountain. A.when B.until C.unless D.while 解析：略
本题选B。
{02}For more information, please send an email, _______ you can also include your suggestions to us. A.where B.when C.which D.that 解析：略
本题选A。
{03} _________he is the son of the boss, he started from the lowest position as a common employee. A.Unless B.Since C.While D.As 解析：略
本题选C。