问题
选择题
—Is _____ book on the desk _____ useful one? —No, it isn't. |
A. the…an B. the …a C. a…the D. the …× |
答案
答案:B
—Is _____ book on the desk _____ useful one? —No, it isn't. |
A. the…an B. the …a C. a…the D. the …× |
答案:B