当你把琼斯老师介绍给妈妈时，应说：
A. I'm Mr Jones. B.Mom,this is Mr Jones. C.Hello, Mr Jones.
—You can play the piano well, Betty.
—___________.
A. Thank you B. Yes, she can C. Sorry
—Can you pass the football?
—___________.
A. No, I don’t B. Not very well C. Thank you
—Can you speak English well?
—___________.
A. No, I can’t B. Yes, I was C. Yes, I do
—Mary is good at singing in our class.
—___________.
A. Yes, I am B. Yes, she is C. No, she can’t
—Can you catch the ball well?
—___________.
A. Yes, I think I can do that well
B. Yes, it is
C. Yes, I am