指出下面3个实验中各存在的一个错误:
Liu Maodan
Twelve years old
China
Dear Xiaohong,
You are a lovely girl. We are in the same class in the primary school. We always have a great time at school. You are my good friend. You always help me in English. Thank you very much! I will remember you forever. Good luck for the future!
Yours,
Liu Miaodan
三年级同学在二月到六月份做好事的件数如下:二月20件;三月40件;四月30件;五月25件;六月35件。平均每月做好事____件。
螳螂凶猛如____,____如妖魔,专食____的动物。