3 Write the sentences in the plural.
1) This is a bus.
2) That is a mouse.
3) This is a brush.
4) That is a chair.
5) This is a box.
6) This is a desk.
7) That is a poster.
8) This is a sofa.
9) This is a green textbook.
10) That is a good car.​

1)These are buses.

2)Those are mice.

3)These are brushes.

4)Those are chairs.

5)These are boxes.

6)These are desks.

7) Those are posters.

8)These are sofas.

9)These are green textbooks.

10)Those are good cars.

1) what the big ears you have, grandma! 2) how dangerous the place looks! 3) how empty the islands are! 4)what an unusual clock it is! 5) how brave the boys are. 6) what interesting films! 7) how polluted the lake is! 8) how sunny  weather is! 9) what the funny clothes she wears! 10) what the tasty vegetables i've bought!

why it is important to study foreign languages? whether it is difficult for you to learn english? what things help you to improve your communicative skills? your advice to those who begin to study english?

in our modern life english became the language of international communication.it's a language that used for communication between people with different first languages,knowledge of english has become a requirement in a number of fields. and? computers languages and programmes are connected with english. and a lot of information in the internet is also written in english.

nowadays english is widely used in tourism, trade, technology, so it's very useful to speak english. it's easy to communicate english everywhere.

to improve and widen my english vocabulary i listen a lot of songs in english, watch english-speaking tv programs, like bbc and sky, and, of course, a lot of american cartoons.  

for those who begin to study english i can recommend to do the same, watch tv programs and listen to the english-speaking programs.