【单选题】听力原文:W: I had prepared dinner for six people before Mary called and said that she couldn't make it. M: That's all fight. I was just going to tell you I have invited John. Q: How many people are coming...
【单选题】Lesson 5 词汇拓展-词汇选择-6 En-route air traffic controllers issue clearances and instructions for airborne aircraft, and pilots are required to _______ these instructions
【简答题】Fill in the blanks with the following words. verify automated proximity order bridge moderate temporary desired achieve sufficient 1.General purpose warehouse provide ____...