A-A+
It was until dark ______ he found ______ it wa
问题详情
It was until dark ______ he found ______ it was the correct way to solve the problem.
A) that; what B) that; that C) when; what D) when; that
参考答案
B前一个空为强调句型中的that，第二个空的that是引导宾语从句的。
考点：
