It is _______ unusual thing for us to find ________ UFO.
| A．a; a | B．an; an | C．a; an | D．an; a |
不明飞行物的英语缩略形式是_________.
| A．UFO | B．BBC | C．NBA | D．kg |
--Are _______ your quilts, Mary?
--No, ______ aren’t.
| A．those; those | B．these; they |
| C．they; those | D．these; these |
I ______ a girl. Lucy and Lily _______ my cousins.
| A．is; is | B．is; are |
| C．am; is | D．am; are |
--Is _______ your photo?
--Yes, it _______.
| A．this; is | B．this; isn't |
| C．these; is | D．these; isn't |
-- What' s Mr. White' s ________, Jim?
--It' s Tom.
| A．first name | B．full name |
| C．last name | D．family name |