There are _____floors in the building．We live on______floor．（ ）
| A． |
the ninth； the ninth |
B． |
the ninth；nine |
| C． |
nine； the ninth |
D． |
nine；nine |
China has opened its _______Antarctic research base (南极科考站) – the Taishan Station.
| A．four | B．the four |
| C．fourth | D．the fourth |
She is a _____ girl with two big eyes.
| A．six-years-old | B．six-year-old |
| C．six years old | D．six year old |
Nowadays _________ of business letters are written in English .
A. two thirds
B. two third
C. two three
My daughter is _ . We had a party for her _birthday yesterday.
A.nine, nine.
B.nine, ninth .
C.ninth, ninth .
（2014）The earth will be more and more beautiful if everyone his best to love it.
| A．try | B．tries |
| C．will try | D．has tried |