We tested it last week on twelve- to fifteen-year-olds,
我们上一周曾在十二岁至十五岁的孩子中试过这项游戏,
The goods we offered last week are running out, therefore, the offer terminates on 20th July.
上周我们报价的货物现已售完,所以,此报价在7月20日终止。
Everybody here is busy getting ready for it and buying Christmas presents.
这里的每一个人都在忙于为圣诞节做准备和忙于购买圣诞节礼物。