作业帮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