Tìm lỗi sai
1. There are a lot of changes in our city in the past ten years
2. If we go on to litter, the environment will become seriously polluted
3. We'll never catch then up if you walk as slow as that
5. Let's not go to the park if it will rain tomorrow
Tìm lỗi sai
1. There are a lot of changes in our city in the past ten years
=> a lot of=>many
2. If we go on to litter, the environment will become seriously polluted
=>go=>went
3. We'll never catch then up if you walk as slow as that
=>never=>∅
5. Let's not go to the park if it will rain tomorrow
=>Let's=>Do
Tìm lỗi sai
1. There are a lot of changes in our city in the past ten years -> many
2. If we go on to litter, the environment will become seriously polluted -> went
3. We'll never catch then up if you walk as slow as that
-> ∅
5. Let's not go to the park if it will rain tomorrow -> do