【单选题】一 you your dictionary? —No. So I have to buy a new one today.
【简答题】随着信息技术的发展,越来越多的公司选择新兴的广告媒体形式——网络广告,请具体阐述网络广告的优势有哪些?
【单选题】I have lost my pen. I can’t find_____. I have to buy____.
【单选题】—Kate, why do you want to go to the _______? —I have to buy a new Walkman. [ ]