so faint ___that no one thought...1 the noise was 2 had been the noise 3 it was the noise 4 it had been the noise选择哪一个,及为什么
问题描述：
so faint ___that no one thought...
1 the noise was 2 had been the noise 3 it was the noise
4 it had been the noise
选择哪一个,及为什么
答
1
so that 句型
主语未the noise 缺乏谓语
选项2 应该谓语在后
选项3 又多出形式主语it
选项4同上
答
答案选1 保存陈述句语态，时态和后半句保持一致
答
1.
So 位于句首,句子必须倒装
其余几个结构位置都不对.