2019年mpa考试英语真题——连词915

{01}—I wonder how much you charge for your services.
—The first two are free ________ the third costs $30. A.while B.until C.when D.before 解析：while是并列连词，表示对比，意为“而”。
本题选A。
{02}(2008·山东，26)Occasions are quite rare ________ I have the time to spend a day with my kids. A.who B.which C.why D.when 解析：句意：我很少有机会和我的孩子们一整天都待在一起。先行词为occasions，代入定语从句后为：I have the time to spend a day with my kids on_ the_ occasions.由此可知关系词在定语从句中作状语，故用关系副词，排除A、B两项；occasion不表原因，排除C项，答案为D。
本题选D。