I knew they were _______ curiosity but I said nothing.
举一反三
- I knew nothing about English I entered this school.
- When I was in high school, I knew nothing about engineering.
- If I knew you were coming, I ___ you at the airport.
- 中国大学MOOC: lbert Einstein said “I know one thing: that I know nothing.”
- I knew nothing about the experiment ___________ (conduct) in our school.