Sử dụng thì quá khứ đơn và hiện tại hoàn thành
1 Who paper? ( invent)
2 The town where I live is very different. Now, It a lot ( change)
3 I studied German at school but I most of it now. ( forget)
4 What do you think of my English? Do you think it ? ( improve)
5 A: Are you still reading the paper?
B: No, I with it. You can have it. ( finish)