Question

3. There are _people in my family. We live on the

_floor in a tall building.

A. live; six B. fifth; sixth

C. fifth ； six D.five; sixth

Answer 1

 3.D句意:我家有五口人。我们住在一髙层建筑物的第六层

楼。第一空表示数目"五"，用基数词；第二空表示顺序"第

六"，用序数词。