根据首字母填空：Pollution is a serious problem in major cities t___ the world.

根据首字母填空：Pollution is a serious problem in major cities t___ the world. 根据首字母完成填空; it is our duty to reduce the pollution in order to protect the e[ ] Pollution is a w______ problem.首字母填空填什么. The animal here are in a good s ,because there is no pollution 根据首字母填空The animal here are in a good s ,because there is no pollution s处 Lindy is a____________ friend.根据首字母填空 your s_____ is boy根据首字母填空 His n____ is ten.根据首字母填空. 英语翻译It is t___ the pollution is worse and worse.据首字母填空并翻译 W_____hat is it?Is it yours根据首字母填空 英语考试,首字母填空,is Is your motherIs your mother b----- this afternoon?,根据首字母填空 Sandy is coming to s() with us next week I'm going fo a w() what can we do to f() pollution?I'm l() for a meeting根据首字母填空 根据首字母填空, 根据首字母填空, 根据首字母填空, 英语根据首字母填空, （根据首字母填空） 根据首字母填空, B根据首字母填空