I felt it hard to keep up with my classmates. But whenever I want to__ __ ，my teacher always encourages me to work harder.

It was almost midnight when a fire _____ in the neighborhood.

__ him more time, and he _____show us his talent.

Are these books —No, they aren’t. They are______.

Could I take a few days’ leave, sir?—– I’m afraid you can’t ___________ the work is being done