-Do you know that Armstrong got his flying license in his_______, even before he could drive a car! -That's amazing. He is a_______ pilot.
It’s important_______ the piano well.
—What’s the matter_______ Betty? —She lost her wallet.
He is not good at learning English and he always does his homework_______.
The teacher was very pleased_______ Tony’s answer.
I think playing basketball is_______ dangerous than swimming.