【单选题】听力原文:When can you send me the proofread document? (A) Yes, you have two pieces of mail. (B) In a minute. (C) For three hours. (29)
【简答题】典型金本位制度下,( )是汇率的决定因素。
【单选题】I have two pieces of news ________.
【简答题】You have two pieces of luggage. One black suitcase and one leather bag. Am I right?
【判断题】在浏览器的DOM中,根对象是window。
【单选题】The airline only allows two pieces of luggage. You ___ pack too much or you will have to take it out at the airport!
【单选题】I have no paper with me now. Could you lend me ______ ?