Question

【题目】Only when Lily walked into the office________that she had left the contract at home.

A.she realizedB.has she realized

C.she has realizedD.did she realize

Answer 1

【答案】D

【解析】句意:直到Lily走进办公室,她才意识到她把合同忘在家里了。＂Only+状语从句/介词短语/副词＂ 作状语放在句首时,主句多用部分倒装;由宾语从句中的过去完成时可知,主 句应用一般过去时。