I have lived in this city thirty years ago, so I know it quite well.
I have lived in this city thirty years ago, so I know it quite well.
改为
Florida’s busiest airport will be the first in the country to scan face of all passengers.
Florida’s busiest airport will be the first in the country to scan face of all passengers.
When Uncle Tom will come back, please tell me immediately.
When Uncle Tom will come back, please tell me immediately.
The mountain was really very high, but I tried hardly to climb it.
The mountain was really very high, but I tried hardly to climb it.
After driving for twenty miles, he suddenly realized that he has been driving in the wrong direction.
After driving for twenty miles, he suddenly realized that he has been driving in the wrong direction.