A:Fe
B:Na
C:Mg
D:Al
“When____ (meet) bad people, don't be afraid.” Father told me.
欣欣水果店运来26箱苹果和18箱梨,要想算出运来的这些水果一共有多少千克,我们还需要知道哪些信息,请你写出来:____ .