1、课时23top fishes fisherman disadvantage wooden harmful industries lawyer scientist scientific gentlemen thirsty cruelty cost afforded affordableinstruction overcame overcame caring careful carefully careless manager congratulation thankful separation cut down keep clean improve the environment begin w
2、ith turn off add up bring back to life take a break/have a rest guide sb.to do sth make a difference deal with make mistakes put in effort wonderful memory a strict teacher a shy person be patient with be full of from now on in some way in fact upside down I think everyone in the city should help to
3、 clean up the river I ve just read a book which gives ideas about how we can save the environment I m going to improve my English so that I can teach kids English in the future Can you tell me some of the problems youve seen about the environment What do you hope to do in the future afford的用法的用法 C afford to wait 辨析辨析separate与与divide B C D
