您要查找的是不是：
- Since when have they had a car? 他们从什么时候起有了一辆汽车?
- Since when have he had a car? 他从什么时候起开始有了一辆汽车?
- Since when have they been living here ? 他们从什么时候起住在这里的?
- But they have a car,and perhaps a country home. 然而他们有一部汽车，或许还有一座乡间住宅。
- But they have a car, and perhaps a country home. 然而他们有一部汽车，或许也有一座乡间住宅。
- Oh, God! Whence that odor, and since when have odors had a voice to call? Thus he groped. 哦，天呀！这香味是哪里来的?那里会有香味发出声音来叫人的呢?他心里这样暗忖。
- Since when has she been learning bookkeeping? 她从什么时候起学薄记的？
- Since when has he had a beard? 他从何时开始蓄起了胡子？
- Since when has he been absent from school? 她从什么时候起不来上学的？
- Since when have he stud English? 他从什么时候起学英语？
- Since when have you been feeling like this? 你从什么时候开始有这种感觉的？
- They had a dogged defense of the city. 他们对城市进行了顽强的防守。
- They had a good laugh over that silly thing. 他们对那件蠢事大加嘲笑。
- Since when have you monitored them? 您从什么时间开始对它们进行监测?
- They have a summer residence in the countryside. 他们在乡间有夏季住宅。
- Since when have you been feeling like this ? 你从什么时候开始有这种感觉的?
- Since when have you stayed here ? 你从什么时候起住在这里的?
- They had a ghastly time at the party. 聚会时他们玩得极不开心。
- Since when have you been so stingy? 你是什么时候变得这样小气的？
- They had a passing interest in music. 他们对音乐有过一时的兴趣。
