Just as I got to the school gate, I realised I ______ my bank in the cafe.
A:have left
B:had left
C:would leave
D:was leaving
John started ________ on his Maths homework as soon as he got home.
林肯在竞选中主张解放黑奴,1861年他却把宣布解放黑奴的一位将军撤职.1862年他又颁布《解放黑人奴隶宣言》。这表明他在此期间的最高宗旨是( )