【单选题】It is an important day for us for a special meal.
【单选题】_____, it is an important book.
【单选题】The children of Kuskoy learn to whistle because ______.
B.
it is an important way to communicate
C.
it helps them learn to sing
D.
it is like the Turkish language
【单选题】统计的基本概念中,按标志是否可以用数量表现进行划分,分为品质标志和数量标志。下列不属于数量标志的是( )。
【单选题】It is an important meeting. ____ late.