Whaley recalls how at the beginning of the year, when called upon to read, Chris would excuse himself to go to the bathroom.

It takes a lot for any student, “Whaley explains,” especially for a student who is learning English as their new language, to feel confident enough to say,

这两句话，都是一些状语或者介词短语插到了一个完整的句子中这是什么语法呀？