people know some aniaml can be trained to carry messages for

people know some aniaml (animals) can be trained to carry messages for them.in 1870,who (when) the Germany (German) got to paris (Paris),a (the) city was cut off from other cities,peopie there tired (tried) many diffferent ways of (to) send news ,(and) one way was to use pigeons.the enemy shot (at) them,but they flew even fast (faster).in four months about 156,000letters were sent by them,now pigeons are still used.this is because that some times (sometimes) only the little pigeons can carry messages there (which/that) it is difffcult for man to do.that is because (why) they are called postmen with feathers

people know that some animals can be trained to carry messages for them。in 1870，when the German got to Paris，a city was cut off from other cities，people there tried many different ways of sending news...

people know some aniaml(改成animals) can be trained to carry messages for them。in 1870，who(改成when) the Germany got to paris，a city was cut off from other cities，peopie there tired(改成tried) many difffere...

第1行中know后加that, aniaml改为aniamls.第3行，of改为to. 所有句子的第一个字母大写。

people know some animal (aniamls) can be trained to carry messages for them。in 1870，who(when) the Germany(Germans) got to paris，a(the) city was cut off from other cities，peopie there tired many difffe...

people（大写People） know some animal (aniamls) can be trained to carry messages for them。（改成.）in(改成In) 1870，who(when) the Germany(Germans) got to paris(改称Paris)，a(the) city was cut off from other cities，...