1·There are painters who were never able to learn maths, and engineers who can't sing on key.
有些画家从未学过数学，有些工程师唱歌走调。
2·Tell me if you still sing on Sundays?
告诉我你们还在星期天唱歌吗？
3·Sing on, Cricket mine, as you please.
继续唱吧，我的蟋蟀，随你的便。
4·Pigs sing on the bus.
猪在公共汽车上唱歌。
5·Who will sing on the Same Song?
谁会在“同一首歌”上唱歌？
6·She is often listened to to sing on TV.
经常听她在电视上唱歌。
7·They all agreed to sing on his record for free.
他们都同意免费为他的唱片演唱。
8·The choir was sitting up front ready to sing on cue.
合唱团坐在最前排准备合唱。
9·I shall not hear the nightingale. Sing on as if in pain.
我将不会听到那夜莺，一声声地歌唱仿佛在哭泣。
10·Given the chance to sing on stage, he is very much alive.
有机会在台上唱歌，他显得很活跃。