—Amy, I haven’t finished my homework, so I can’t go swimming with you.—_______.
——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!”