This is _____easy exercise填an还是a

This is _____easy exercise填an还是a I found _____easy to learn English well.a)this b)it c)that d)its Price is Ex VAT and ex WORK.外贸英语 感叹句_____easy work it is!我在学感叹句,我怎么觉得how 和what都可以呢,如果可以的话,再给我讲讲如何改感叹句, ex I found _____easy to learn English well.为什么用it This is is this This is THIS IS this is this is 英语翻译(1) A least squares straight line fitting is accomplished on flank andface over an area preset to a certain distance to the nose tip.Aneligible value for thedistance corresponds to themaximumof thecutting edge rounding expected.In this ex What's the meaning of 'taken into account'Pls help. One ex:When this option is enabled, the keyboard layout will be taken into account. 如果该选项可用,键盘设计会?Thx 帮忙分析下这句话的句子成分An obvious risk is that this makes businesses reluctant to hire ex-consultants,fearing that they will be double agents whose loyalty lies with the old firm.1.this指代什么?2.分析下整句话的句子成分t 对一句英语句子有疑问I find no compelling examples that this process is insufficient to explain the rich variety of life forms present on this planet.present为什么不加ing 在我看来presenting是修饰life forms的,不然后面就有ex this is 比如 this is fly Is this a book? Yes,this is.