A:W1>W2 P1>P2
B:W1>W2 P1<P2
C:W1<W2 P1>P2
D:W1<W2 P1<P2
下面句中有一处错误,请找出来并改正。
Let off fireworks is my favourite thing at the Spring Festival.
____
The ____ (weight) of the fruit and vegetable is 100 kg.
①退避三舍 ②三家分晋 ③围魏救赵 ④长平之战