Solving the problem of PM2.5 is a long process.(改为同义句)a long process to solve the problem of PM 2.5.19. I think teenagers should be taught the basic tablemanners.(改为否定句Ithink teenagersbe taught thebasic table manners.20. I was so careless that I made the same mistake again....
Now she is learning the table manners in China and the way how to use chopsticks and spoons.(5)There are many exercise books and test papers on your math teacher's desk. You want to buy a plant to make her office more lively.[答案] (1)C(2)B(3)A(4)E(5)D[答案] (1)B(2)A...