Chia động từ ở hiện tại hoàn thành hoặc quá khứ hoàn thành. There's no more cheese. We __(eat) it all, I'm afraid. I'm very pleased to see you again after such a long time. We ___(see) each other for five years

1. There's no more cheese. We __(eat) it all, I'm afraid
2. I'm very pleased to see you again after such a long time. We ___(see) each other for five years
3. By 1960 most of Britain's old colonies___(become) independent.
4. Don't you want to see this program? It___(start)
5. At first I thought I___(do) the right thing, but I soon realised that___(make) a serious mistake