1. As far as I know, he is still working in Korea.
→ To
2. We weren’t surprised by his success.
→ It came
3. They cancelled the flight because of the heavy rain.
→ So heavily
4. He isn’t present at the meeting, and I’m not either.
→ Neither he
5. I only understood very little of what my teacher said.
→ I could hardly
Làm+giải thích giúp em với ạ