When asked to explain _____ he did to make his students so fascinated with his lessons, the teacher paused and thought deeply.

Our English teacher advises us ____________ more after class.

What does your brother look like—____

I can think of many cases ______students obviously know a lot of English words and expressions but couldn’t write a good essay .

22The earliest coins were made in Lydia，a little county in_______s now called turkey