【单选题】William has been a sole trader for many years, preparing accounts to 31 March each year. In the year to 31 March 2018, William made a profit of£15,000 and in the year to 31 March 2019 he made a loss o...
【简答题】I. Choose the best answer. 1. From which of the following property of language that language users can solve the problems caused by time and place and speakers of a language can talk about anything i...