How long does it you to get there?
——How far is Yuhua Middle School from here?——It’s around five minutes’walk.
---Miss Lee, I didn’t catch what you said. Could you tell me ______ again?---OK.
Do you want to be healthy? ______. Smiling can help you stay healthy.
---George, how can you prove the earth is round?---I can’t, sir. ______, I never said it was.
A friend is someone ______ says, “What! You too? I thought I was the only one!”