1.they often went swimming in the afternoon
-they used to.......................................
2.she is typing her assignment
- her assignment .............................
3. the teacher will explain the lesson until all the students understand it
-the lesson...................................
4. they sell jeans all over the world
- jeans....................................
5. peple are going to build a new to library in the area
- a new library..................................
6. the clown made us laugh a lot
- we ............................................
7.my father used to take us to the circus when we lived in the city
- we ................................................
8. i usually got up late lats year , but this year i often get up early
-i used to
9. you have to finish your homework in time
your home work ...............................
10. I last saw her three year ago
- i haven't