Question

( )is often the case with children ,Tom was completely better by the time the doctor arrived

A.it B.as C.what D.which
请帮忙分析

Answer 1

选 B
as 正如
正如孩子们的常有的事一源答样，汤姆也经常在念裂渗医生仔脊一达到病就完全好了