第4题: [单项选择]Though Mr. Johnson is competent, ______ remains to be seen whether or not he can break the sales record for the month of August. A. that B. what C. it D. which 参考答案:C 答案解析:[理由] 本句测试K代替名词从句作主语的用法。 名词从句共有3种 1) that从句(任何陈述句之前冠以that, 即成that从句) [例] He doesn't be
A. With B. Without C. Except for D. But that 参考答案:B 答案解析:本题为一个虚拟条件句，介词词组without it 中隐含了一个虚拟条件状语从句(if there had not been the money如果没有这笔资金的话)，符合题意。A选项也可替代虚拟条件
