Verb
1. very high and loud; piercing
a shrill whistle
Test
1 / 5
She was listening to the English teacher absent-mindedly.
2 / 5
an absorbing book
3 / 5
The temperature was just above freezing.
4 / 5
He must be 50 and above.
5 / 5
We have two Chinese classes a week.
Your score is
