求英语欢迎词一篇我校新请来了一个黑人外教,求一篇简短的英语欢迎词.

hi,we are very glad to have you here with us,we appreciate it very much.with you here teaching us,our english skills will certainly improve.we hope that you will like the environment and studying atmosphere here at our school,and once again we are very happy to have you here.