58.Mary had no trouble _____ her career because she had always wanted to be a doctor.a.to select b.select c.selecting d.selected如何如何解释
问题描述：
58.Mary had no trouble _____ her career because she had always wanted to be a doctor.
a.to select b.select c.selecting d.selected
如何如何解释
答
haveno trouble doing sth 固定搭配短语
答
C
答
haveno trouble doing sth,当成词组记住就行