It is one thing to make a promise,but it is quite_____to carry it out.
问题描述：
It is one thing to make a promise,but it is quite_____to carry it out.
A other thing B the other
C other D another
答
D
许诺是一回事,实行又是另外一回事.
one.another...一个.另一个（没有给定特定范围时）,固定搭配,表泛指,如题目所示.
one...the other 一个.另一个（给定特定范围时）,固定搭配,表特指
如：人有两只手,一只.另一只.就要用这个搭配.
这句话没有给定特定范围,所以选D.