请大神们帮我看看这段英文有没有什么错误?

题目

请大神们帮我看看这段英文有没有什么错误?
Good morning ,boys and girls,ladies and gentlemen,welcome to the XXX primary school.I’m your host XXXX .And I would also like to take this opportunity to wish all present to enjoy his stay in our school and to ahve a wonderful time today.
Now,let’s warmly welcome the XXXXX primary school headmaster Mr.X to make a speech.
Thank you for your speech.This activity is a good opportunity for the everyone to display their ideas on organizing successful classroom teaching.And I hope that you,the audience will enjoy this exciting competition and benefit from what you hear.

答案

在这段 speech 中,你站在学校,代表学校,所以不需要再用冠词 the in welcome to the XXX primary school.just "welcome to XXX primary school."And I would also like to 中的 And,也是多余的,不合语法的.因为和前一...