2015 Tianjin Question 3 Single-choice Differentiating 2015_天津卷 (英语) 3. (1分)$Only when Lily walked into the office __________ that she had left the contract at$home. ( ) A. she realizedB. has she realizedC. she has realizedD. did she realize Answer keyD ☆ SaveCan't do it, show the explanation查看原卷 →