`1.` The letter which our sister is reading is from London.

`2.` She wears the uniform which was made last week.

`3.` The boy who is watching TV is my friend.

`4.` The man who was here yesterday is our teacher.

`5.` The man whose car you are driving is very young.

`6.` The librarian whose daughter is nice is kind to us.

`7.` This is my house whose roof is red.

`8.` That day, when we spent our holiday there, was beautiful.

`9.` I suggest you the time when you can meet your director.

`10.` The building in which he lives is very old.

@ `Ly`

1. The letter which our sister is reading is from London.

2. She wears the uniform which was made last week.

3. The boy which is watching TV is my friend

4. The man who was here yesterday is our teacher.

5. The man whose car you are driving is very young.

6. The librarian whose daughter is nice is kind to us.

7. This is my house whose  roof is red.

8. The day which we spent our holiday was beautiful

9. The time when you can meet your direction is my suggest.

10.the building which he lives is very old.

11. Unless