15.Mr. White at 8:30 for the meeting, but he didn’t’ show up. A. should have arrived B. should arrive C. should have had arrived D. should be arriving 查看更多

 

题目列表(包括答案和解析)

When first ______ to the market, their products enjoyed great success.                         (2004 全国卷II)

  A. introducing    B. introduced   C. introduce D. being introduced

 

查看答案和解析>>


同步练习册答案