题目

It was the boy _____ had been in prison _____ stole the money. A. who, where                B. that, how C. who, that                 D. that, which   答案：C全句为强调句，被强调成分是 the boy (以及修饰它的定语从句who had been in prison)。  In the past few years, many schools ______ the ways of doing morning exercises.A. change B. changes C. will change D. have changed