单项选择题
A.The prettier one. B.The new one. C.The one that the man likes. D.The more comfortable one.
A.They learned Greek geometry and trigonometry. B.They made Greek spears, swords, and shields. C.They were involved in frequent wars. D.They employed Greek engineers.
A.It is not so quiet as on the earth. B.It is absolutely quiet on the moon. C.Wind is not so strong as on Mount Jolmo Lungma. D.It is quiet on the moon, but sometimes it is a bit noisy.