Exercise 1: Complete the second sentence so that it expresses the same meaning as the original one. 1. I started working for the company a year ago. I have been …………………………………… 2. It is one hundred years since the birth of D.H Lawrence, the famous novelist. D.H Lawrence ……………… 3. How long have Catherine and Henry been engaged? When………………………………? 4. I last saw him when I was a student. I haven’t…………………… 5. It is ages since Alan visited his parents. Alan hasn’t……………… giúp mình với