用be，on造句

The central heating is on a time-switch .

集中供热设备是定时开关的。

Prostitution is on the increase in the city .

城里卖淫活动越来越多。

I am on familiar terms with my bank manager .

我与银行经理交情很好。

The three villages are on the same line .

这三个村庄在同一条直线上。

I wish you and i could be on better terms .

但愿你我会相处得好一点。