例句：

　　I arrive at school at 7 o'clock.

　　我七點鐘到學(xué)校。

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

　　他大約半小時后會到辦公室。

　　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在場。

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

　　音樂會將于六點半在少年宮開始。