经由他人介绍后，双方用来互相问候的话语是：
A. How do you do?
B. What do you do?
C .How are you?
—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
—Can Leo jump high?
—___________.
A. Yes, I can B. Yes, he can C. No, I can’t