____________did he know what had happened during the two mon

What happened during the Cold War? he regretted what he had done during during the university,h if the hurricane had happened during the day-time ,----more He d____ exacxtly what had happened. He asked what had happened with me. We didn't know what had happened to her until we ( )the acci He wrote a letter ()he explained what had happened in the ac When he r _ what had happened to the environment ,he was sor What had happened?What had happened?What had happened? He wrote a letter_he explained what had happened in the acci The man laughed when he relized what had happened.句子成分分析 He tried_____what had happened