— Would you like to have a walk with us? — ___________, but I must finish my homework first. A. Of course not B. I’d love to C. That’s all right
I think this problem is much more difficult than that one,______?
Mother told me sound____slower than light.
—I have no idea____Mary will go shopping with us or not. –I don’t know,either.
Many people watched CCTV’s Dictation Assembly of Chinese Characters(汉字听写大会). It had a great ____on developing our native language.
____is one of the four great inventions of ancient China.