As a grassroots singer, she reads everything she can concerning music, and takes every opportunity to improve herself.
We don’t have to ________ every word that we don’t know when reading.
We’ll discuss the problem ________ lunch time.
It was _______ he does _______ makes his students enthusiastic about school. (原创)
The number of people who speak English ______ large, and a large number of people _______ native speakers.
Only when he failed the exam ________ that he didn’t work hard. (原创)