1/ Unless we use electicity economically, we will have to pay enormous bills.
2/ I suggest that we should visit Voi mountain next Sunday,
3/ He asked me what did i watch,
4/ Ho Chi Minh city has many beautiful places
5/ I wish i could go to the cinema tomorrow
6/ Unless they ask, i won't lend my book
7/ There are so much smoke room,so i can't breathe
8/ The boys broke the window when they were playing football
9/ Although i am not agree, he sill borrow my book
10/ Most earthquakes on over the world occur on the Ring Of Fire
