19.
1-noise
2-give
3-give
4-give
5-giving
6-warning
Thirteen cows, eighteen farms, twenty ducks, twelve towers, seventeen streets, nineteen birds, twenty one towns, fourteen lakes.
<span>2.there are so many tall buildings in New York.We call them skyscrapers.
3.The first Europeans appeared in America at the begining of the 17th century.
4.There are always a lot of visitors in this museum.
5.. Christopher Columbus was a traveller and a sailor
6.I think he must rewrite his story.There are a lot of mistakes in it.
7.My little brother is a funny, joyful boy
8.Columbus discovered some islands in Central America.
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1. You should try to visit Scotland instead of Australia. It will be better.
2. We are going on a package tour, so we needn't make a hotel reservation.
3. In some countries you needn't pay to visit public museums.
4. If you want to take photos while you are going round the exhibition, you should ask a permission.
5. We needn't spend a long time in the museum if it's not interesting.