1 It has saved a lot of land alresdy,but more Great Green Walls__________(need)为什么答案是are need2 Linda,there's somebody knocking at the door .Go and see who ___isA .he B.she C.it D.that 为什么答案是C3 Our great country ____very fast.

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1 It has saved a lot of land alresdy,but more Great Green Walls__________(need)为什么答案是are need2 Linda,there's somebody knocking at the door .Go and see who ___isA .he B.she C.it D.that 为什么答案是C3 Our great country ____very fast.
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1 It has saved a lot of land alresdy,but more Great Green Walls__________(need)为什么答案是are need2 Linda,there's somebody knocking at the door .Go and see who ___isA .he B.she C.it D.that 为什么答案是C3 Our great country ____very fast.
1 It has saved a lot of land alresdy,but more Great Green Walls__________(need)
为什么答案是are need
2 Linda,there's somebody knocking at the door .Go and see who ___is
A .he B.she C.it D.that 为什么答案是C
3 Our great country ____very fast.为什么是is changing不是has changed

1 It has saved a lot of land alresdy,but more Great Green Walls__________(need)为什么答案是are need2 Linda,there's somebody knocking at the door .Go and see who ___isA .he B.she C.it D.that 为什么答案是C3 Our great country ____very fast.
1.这句话的意思是：已经保住了许多土地,但是还需要更多的防护林.Green Green Walls是物,所以用被动式.Walls是复数,所以用are.
2.语法是这样的,回答电话时只能用IT.
3.这句话是说我们伟大的祖国发展很快.没有说已经完成发展了,而且发展是在不断进行的,故用现在进行时.
希望可以帮助你!

李鱼辉说的对

1、语法结构需要，前面也有more，表明是复数；
2、那是在祈使句中，不管在任何情况下，对于未知的人或者是物都用it代替；
3、我国是发展中国家，国家正在进一步的发展，故用现在进行式的

he has saved a lot of money in order to he can use it in the future!此句to为什么该为that? The doctor has saved a lot of _______(people) lives since he came to our village. ( )a lot of money made the trip possible for her.求语法点,考点.A.mary saved B.Mary has saved C.Mary's having saved D.Mary having been saved As a good doctor,he ______a lot of people’s lives till now.(save) A has saved B had saved选哪个?为什么? the famous doctor has saved a lot of people's____ A live B lives C life D livings 1 It has saved a lot of land alresdy,but more Great Green Walls__________(need)为什么答案是are need2 Linda,there's somebody knocking at the door .Go and see who ___isA .he B.she C.it D.that 为什么答案是C3 Our great country ____very fast. you've saved a lot of money.How do you plan to____it?you know,it will____much to buy a house. The doctor____a______boy yesterday.A had saved,dying B saved,dead C has saved,dead D saved,dying it's _____It has a lot of _____here.(rain) 连词成句:hair.has.it .lot .a .of. 15.The company has applied an efficient system,________ a lot of labour.A) to save B) saved C) thus saving D) only to save 英语动物算人还是物It's a dog () has saved my life.这里可以用which吗? It seems that she has changee a lot.she___ ___ ___ ___a lot. It seems that she has changee a lot.she___ ___ ___ ___a lot. it seems that Yu Mei has changed a lot= Yu Mei has ___ ＿＿ ＿＿ a lot It seems that Yu Mei has changed a lot 老师说that Yu Mei has changed a lot 做主语 Beijing has a lot of places of jistorical interest and it has a lot of a___ buildings. C.why it has changed our lives a lot D.What has changed our lives a lot