is one of the four great inventions of ancient China.
| A．The car | B．The train |
| C．Paper-making | D．The computer |
—Do you mind if I play the piano? —______. My baby is sleeping.
A. Don’t do that
B. You’d better not
C. Yes, I do
—What about a picnic this Sunday? —______.
A. Sounds great
B. I think so
C. That’s nothing
—Would you like to have dinner with me? —______.
A. That’s all right
B. Certainly not
C. Yes, I’d love to
—I’m sorry for losing your book. —______.
A. Never mind
B. So careless
C. You’re welcome
—I’m leaving for Hangzhou tomorrow. —______!
A. The same to you
B. Have a good trip
C. Good news