Question

_____ the city’s public school system should be open to the children of migrant workers has bec..

_____ the city’s public school system should be open to the children of migrant workers has become the focus of discussion. A．Whether B．What C．That D．If

Answer 1

A

试题分析：考查主语从句。句意：城市的公立学校系统是否应该对外来务工人员的小孩开放已经成为讨论 的焦点。根据句子结构及句意，主语从句中主干完整，故排除答案Ｂ，连接词that没有实际含义，故排除， 而if引导主语从句时不能位于句首，故选A