例句：

　　I arrive at school at 7 o'clock.

　　我七點(diǎn)鐘到學(xué)校。

　　He'll arrive at the office in about half an hour.

　　他大約半小時(shí)后會到辦公室。

　　We'll assist at your wedding.

　　我們將出席你們的婚禮。

　　She was unwilling to assist at an interview between Amy and Amy's mistress.

　　她不愿在艾米和艾米的女主人會見時(shí)在場。

　　The concert will begin at 6:30 in the Children's Palace.

　　音樂會將于六點(diǎn)半在少年宮開始。