请帮我看看这篇英语作文是否有语法的错误,如有请指出,

题目

请帮我看看这篇英语作文是否有语法的错误,如有请指出,
My Favourite Festival
My favourite festival is Mid-Autumn Fesitival.It usually comes in August or September.On that day,I often have a big dinner with my family members.After dinner ,we go out to watch the moon.Sometimes we use a telescope to watchu it .On that day,we are not only watch the moon but have barbecue as well.I really enjoy myself at Mid-Autumn Festival.

答案

一般说 Mid-Autumn Day ,而不是用festival,而且你的festival打错了~telescope虽然是直望远镜,但一般是指单筒望远镜,我们常用的是双筒望远镜 binocularsOn that day,we are not only watch the moon but have barbecu...