---Can you paint?
---No, I don’t. But I can play ____________ piano.
A a B an C the D /
This is _____ “r” and that’s _____ “u”.
| A．a, a | B．a, an | C．an, a | D．an, an |
－Dad, this is my friend, Dick.－ ________.
| A．Thank you | B．OK |
| C．Nice to meet you | D．You are welcome |
－Your watch is very nice.－ ________.
| A．No, it isn’t | B．Yes | C．Thank you | D．Sorry |
This is _____ eraser and that’s _____ gold(黄金) ring.
| A．a, a | B．an, an | C．a, an | D．an, a |
_______! Are you Mr. Green?
| A．Sorry | B．Excuse |
| C．How are you | D．Excuse me |