By the time he was 14, Mozart many pieces of music for violin, piano and for orchestra.
If the students don’t understand what their teacher is talking about, he/she hasn’t _________his/her meaning_____________.
Climbing Mount Everest great skills and not without risk.
I don’t when I fail_______ something.
Not all ads are used to promote a product or to increase a company’s profits. Which is the following statement correct?
his contribution to botany, Joseph Banks had a flower _______him.