building will be set up in four weeks’ time. A. A 80-metre-high B. The 80-metre-

____ building will be set up in four weeks’ time.

　 A. A 80-metre-high 　 B. The 80-metre-high

　 C. An 80-metre-high　 D. The 80-metres-high

试题答案

C

在合成形容词中不能有复数。