— Mom, I was the first to reach the top of the mountain.— Good job, Charlie. I’m ______ of you.
Just be _______, you can’t make such great progress in a day. It takes time.
—I am afraid to ask questions because of my poor ______. —You’d better practice speaking more.
He didn’t wake up ________ he heard the noise.
He wrote books _______ they could learn about how he treated the sick.
I think he is one of ___________ players in the world.