1.the boy hurt his head .he __(need) an operation at once
1.the boy hurt his head .he __(need) an operation at once 2.don't worry .we__(send) for the policemen这个完成时还是进行时 3don't do to see him.he__ (change)his mind这个帮我个翻译 3don't go to see him.he__ (change)his mind这个帮我个翻译