so faint ___that no one thought...1 the noise was 2 had been the _英语解答

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

人气：217 ℃　时间：2020-04-19 21:58:30

解答

1.
So 位于句首,句子必须倒装
其余几个结构位置都不对.