Расставьте следующие слова в правильном порядке: 1 young / pretty / a lot of / girls / French

2 dark blue / best / silk / my / skirt

3 glass / oval / Venetian / antique / valuable

4 expensive / shiny / large / yellow / leather / case

5 suede / French / blue / soft / shoes

6 ugly / cup / blue / large / tea

7 a / new / yellow / ukulele

8 English / old / castles / beautiful / a lot of

9 new / swimming / my / small / pool

10 tall / handsome / man / young / blonde

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I would like to say a few words about mosquitoes. They are very nasty insects. They parasites on all living beings: people, animals. In Russia, mosquitoes are relatively harmless, although there is a huge number of them in Russia. But, in southern countries, in the tropics, mosquitoes are very dangerous. Their bite can kill a person. Theу are malarial mosquitoes...  The disease that they carry is called malaria. The mosquitoes breed on a warm time..
Mhe хотелось бы сказать несколько слов о комарах. Комары очень неприятные насекомые. Они паразитируют на всех живых существах: людях, животных. В России комары относительно безобидны, хотя их огромное количество в России. Но, в южных странах, в тропиках, комары очень опасны. Их укус может убить человека. Это малярийные комары.. болезни, которые они переносят называется малярией. Комары размножаются в теплое время...

We use these animals for different purposes. For example,  people often use dogs to looking for illegal substances (drugs). In ancient times, people used pigeons called   messenger-pigeon to exchange information. More often than not  we see dolphins water shows, this is really exciting!

People often used horses as means of transportation, and  , for example, the sheep give us   wool which we so need.

About the question "Could animals be used as secret agent?", I think it's impossible. Animals can't be used as  secret agent, because the exchange of information is impossible.