What will you do if you see someone throwing trash on the ground in the park?, If your school/office organizes a "Clean-up Day", will you participate?, If you buy a reusable water bottle, how much money will you save in a year?, If you start sorting your rubbish at home, will it really help the environment?, If you bring your own shopping bags to the supermarket, how many plastic bags will you save per month?, If people use public transport more, will the air become cleaner?, If you save water at home, how will you do it?, What will you do if you decide to care more about nature?.

First conditional

由
列印
嵌入

排行榜

視覺風格

選項

切換範本

)
恢復自動保存: ?