x
3
4
5
6
y
2.5
t
4.5
如图是由三把相同大小的扇子展开后组成的图形,若把每把扇子的展开图看着“基本图案”那么该图形是由“基本图案”( )
— How many ________ were on the bus when the accident happened?
— About forty. Seven of them were kids.