Adverb
1. in a secret manner; covertly
Test
1 / 5
His classroom is just above us.
2 / 5
The girl abandoned school at 17.
3 / 5
Plastic is not absorbent, but cotton is.
4 / 5
He was not about to admit his mistake.
5 / 5
He is ( ) to speak English.
Your score is