－What‟s this? － ________.
A．It’s pen B．This is a pen
C．Its a pen D．This is an pen
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
