it was not until the thirteenth stroke___the bell stopped.1 before 2 when 3 so that 4 that
问题描述:
it was not until the thirteenth stroke___the bell stopped.1 before 2 when 3 so that 4 that
选择哪一个,及分别说出每个为什么对与错
答
选4
这是一个固定句式,是强调句型的一种特殊情况,it is/was not until...that...直到……才