10.evrything has two sites,if we use the robert to do the housework,we can relax ourself,on the other hand,we will become lazier and laier.11.air pollution is more and more serious.such as the inderstry pollution and car pollution,if we wanner live longer,we must pay more attention to it,or the last water will be our tears.12.if we wanner to make our english better,the first thing we have to do is memory more english words,thats just hardware,the software is oral english.if you do well in these two sites,you are a good english learner ..回答完了我想问下这是PETS几级的口语考试?