例句：
I arrive at school at 7 o'clock.
我七点钟到学校。
He'll arrive at the office in about half an hour.
他大约半小时后会到办公室。
We'll assist at your wedding.
我们将出席你们的婚礼。
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会见时在场。
The concert will begin at 6:30 in the Children's Palace.
音乐会将于六点半在少年宫开始。