以下句子中,有没有语法错误什么的,
Nowweworkinthefirstlineofconstruction,exposetotheweather,it’sveryhardon-sitework,butIfeelstronglyhappy.BecauseIlovemyjob,IamveryproudofrootinginHainanislandandcontributingtotheconstructionoftheaerospaceindustryforourmotherland.