问题
选择题
—Excuse me. Where is Mr Smith's office?
—It's on ______ floor. [ ]
A. six
B. the six
C. the sixth
D. sixth
答案
C
—Excuse me. Where is Mr Smith's office?
—It's on ______ floor. [ ]
A. six
B. the six
C. the sixth
D. sixth
C