①Six years ago, Mike could read and draw, but he could not write. Now he can do many things. 六年前,迈克会阅读和画画,但是他不会写字。现在他会做很多事情。 ②Twenty years ago, Mr Brown wrote letters to his friends. 二十年前,布朗先生写信给他的朋友们。 He used the telephone at home and in the office to call people. 他用家里和办公室里的电话给人们打电话。 Now he has a mobile phone and he can call people anywhere. 现在他有了一部手机,可以在任何地方给人们打电话。 He also writes emails. 他也写电子邮件。