Chia thì present perfect hoặc past simple. Giải thích
1.They play(just/begin)..........You are a little late
2. I(not/see)..........him for 3 years. I wonder where he is
3.I (see/not)..........anyone yet
4. Emily (visit/not)................me last week
5.Collin (not/go)...........on holiday last year