_海南成考网

你是王刚(Wang Gang)，写一封给朋友李明(Li Ming)的祝贺信，祝贺他获得复旦大学计算机科学硕士学位，并祝他今后在学习和研究方面取得成功。

31（）

• A、too 

• B、once 

• C、again 

• D、also

According to Paragraph 1,why does the author scratch his head?

• A、Because he doesn' t know what to do once schools are closed
  
  

• B、Because he is not sure about the practicability of those new tests

• C、Because he is concerned that many teachers will lose their jobs

• D、Because he is not in favor of the government' s reform efforts.