Question

【题目】Not until they left school _________ how much their teachers loved them and helped them.

A. they realized B. did they realize

C. they would realize D. had they realized

Answer 1

【答案】B

【解析】

试题考查not until的倒装句型。Not until位于句首，句子发生部分倒装，排除AC, 动作realize和left同时发生，故选择答案B。句意：直到他们离开学校后他才意识到他们的老师是多么的爱他们，帮助他们。