B when 是对的.
去掉it was.和空格以后,句子不通,说明不是强调句,排除A,that; Csince D before明显不对.
其实这是个时间状语从句,When the house caught fire,if was a hot evening.“房子起火是在一个酷热的晚上.”
B when 是对的.
去掉it was.和空格以后,句子不通,说明不是强调句,排除A,that; Csince D before明显不对.
其实这是个时间状语从句,When the house caught fire,if was a hot evening.“房子起火是在一个酷热的晚上.”