Mr Green Enlish teacher.We all like his l_essons__ because they are very i_nteresting__. He is f_rom__ America. We are very surprised he likes making t_hings__. He s_ometimes__ helps us make model planes or model cars. Today he gives us a smart robot. It c_an__ do many things for us.Look!It is c_leaning__ our classroom now. It is very easy for it to do this j_ob__.Perhaps it can clean the windows for us. I think it is d___ for people to do that. We often call our robot hardworking c___. 啧，最后两个还想不出来。
