— Ten years ago.
A:when you taught in this school
B:when did you teach in this school
C:how long you taught in this school
D:how long did you teach in this school
仿写句子,使内容句式都与前句协调。
例句:幸福是“临行密密缝,意恐迟迟归”的牵挂;
幸福是“春种一粒粟,秋收万颗籽”的收获。
仿写:幸福是____;幸福是____。
对下列各句中加横线词的解释,不正确的一项是( )
若logxy=﹣2,则x+y的最小值为( )