Your order is guaranteed _ within 3 days.

your order is guaranteed to arrive within 3 days.

1 i like to fly   by  plane. 2-did you buy the tickets at the railway station? -no, i did not. i bought them at the airport. 3 the plane is flying in the blue sky, over the plains, over the seas. 4 can i buy a ticket to moscow, please?

2 my parents     are\are not                              from pragua/

3 we    are\are not         in school now.

4 my bags      are\are not                yellow.

5 my friends and i              are\are not          from england.

6 it                is\isn't        very cold today.

7 i      am\am not                  hungry.     

8 our teacher                    is\isn't        very tall.