11:40的英文怎么写?

　　He said he would be here at eight o'clock.

　　他说他将在八点钟到达这里。

　　I have a history class at 9 o'clock.

　　我9点钟有历史课。

　　We arrived at two o'clock and left at ten past.

　　我们两点钟到达，十分钟后离开。

　　I have to collect the children from school at 3 o'clock.

　　我得在3点钟到学校接孩子。

　　Fifty is the new forty.

　　四十尚未老，五十正当年。