问题
单项选择题
Questions 1 to 5 are based on the following conversation.
A. E-mail is very convenient.
B. E-mail messages make better keepsakes.
C. E-mail messages make a casual form of communication.
D. E-mail is great for just saying hello and checking up on people.
答案
参考答案：B
解析：
Robert explains why he uses e-mail a lot. Which of the following is NOT one of his reasons