【2013河南】—George, how can you prove the earth is round? —I can't, sir. ______ I never said it was.
There is going to _______ a basketball match in the playground this afternoon.
— Excuse me, where is the bus stop? —________________.
Stop _____ so much noise! My father is sleeping.
An ________ boy came to our class yesterday.
Can you teach me how _________?