There are ___ floors in the building and my home is on the ____ floor.
A：twenty; fifteenth
B：twenty; fifteen
C：twentieth; fifteen
D：twentieth; fifteenth
上海夏天的早晨，自来水龙头里流出的水温度最接近（ ）
课文《哈姆莱特》节选的这场戏展示的冲突主要是围绕哪个矛盾冲突展开的( )
