用be，on造句

The central heating is on a time-switch .

集中供熱裝置是定時開關的。

Prostitution is on the increase in the city .

城裡賣淫活動越來越多。

I am on familiar terms with my bank manager .

我與銀行經理交情很好。

The three villages are on the same line .

這三個村莊在同一條直線上。

I wish you and i could be on better terms .

但願你我會相處得好一點。