1, While they were decorating their house, I came.
2, We have begun to study English for 7 years.
3, Would you mind giving me some information about the tour, please?
4, It is excited to travel around the world.
5, The last time I came back to the countryside was two week.
6, The letter wiil be delivered tomorrow.
7, We are woken by the birds every morning.
8, Shall I open a window for you?
9, Would you go to the cinema tonight?
10, Even thought his nice, I dont trust him.