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。
