Tìm lỗi sai và sửa lỗi1. We saw an UFO at about ten o' clock last night.2. It's a long time since I have visited the capital.3. We think that Mother's Day should celebrate nationwide.4. Thank you for inviting me to the party. I wish I can but I ..

Tìm lỗi sai và sửa lỗi
1. We saw an UFO at about ten o' clock last night.
2. It's a long time since I have visited the capital.
3. We think that Mother's Day should celebrate nationwide.
4. Thank you for inviting me to the party. I wish I can but I can't.