a wast of time!是

it's a wast of time 为什么有a 去掉a可以吗? 英语翻译英语翻译（中翻英）1.我们中有许多人喜欢早上大声读英语.2.讨论这种事情是浪费时间（a wast of time only when they were told of the importance of time ____ wast 英语翻译Don’t waste your time on a man,who isn’t willing to wast 英语翻译Never waste your time on a man who isn't willing to wast 英语中带a的短语1.with a score of.2.have a population of.3.a wast of kill time 、spend time 及wast time 有什么区别? I don't want to wast my time... What we need is___the animals.We mustn't wast time. 是a period of time 还是times? Shanghai is ____the east of China and____the wast of Japan wast bookstore it is of the连词成句