七点钟的英语怎么写

　　Please be here at seven o'clock sharp.

　　请七点整到这里。

　　I shall be calling for you at seven o'clock.

　　7点钟我来接你。

　　At seven o'clock the night nurse came in to relieve her.

　　7点钟的时候夜班护士来接她的班。

　　Sam: Great! Come any time after seven o'clock.

　　太好了。七点钟过后，什么时候都成。

　　The show is on the air at seven o'clock.

　　这次演出七点钟播出。