单句改错 详情如下1.will you join in us if we decide to do the new ex
单句改错 详情如下
1.will you join in us if we decide to do the new experiment?2.he smokes less than he used 3.what a fun it is to go swimming in summer !4.the town has population of forty thousand 5.much have been done about the pollution6.you’d better not to have the machine working too long