【简答题】____, it is quite easy to drill a hole in it with a eraser. A.Hard a diamond is B.Hard as a diamond is C.As a diamond is hard D.How hard is a diamond
【简答题】A.To apply to study in America is quite easy. B.To apply to study in America is quite difficult. C.To apply to study in America is quite complicated. D.To apply to study in America is quite .